manuscript (link:

Transcription

1 APPENDIX 1 Genera indicated by ** Family indicated by * Note: the corresponding references for all citations in the faunal lists may be found in the main manuscript (link:

2 Table 1. Aptian North American Dinosaur Faunas. Number of genus-level taxa = g; number of family -level taxa = f. Units excluded from statistical analysis: Patuxent Facies; Arkansas Trinity Group. Pre-Appalachian (Eastern North American) Faunas. Arundel Clay (after Kranz, 1996 unless noted). (g = 6, f = 8) Iguanodontia Tenontosaurus sp. (e.g., Weishampel, 2006) Marginocephalia Ceratopsia Neoceratopsia Neoceratopsia indet. (Chinnery et al., 1998) Priconodon crassus Sauropoda Neosauropoda Macronaria Titanosauriformes Astrodon johnstoni Allosauroidea Carcharodontosauridae Acrocanthosaurus sp. (Lipka, 1998)?Creosaurus potens (Lipka, 1998) indet. indet. taxon (Brownstein, 2017a) indet. taxon (Brownstein, 2017a) Deinonychus sp. (Lipka, 1998) Patuxent Facies (after Weems and Bachman, 2015 unless noted). Hypsiloichnus marylandicus (=Zephyrosaurus schaffi?) Iguanodontia Caririchnium leonardii track maker (=Tenontosaurus?) Gypsichnites pacensis track maker Amblydactylus gethingi track maker Propanoplosaurus marylandicus (Weishampel et al., 2011) Tetrapodosaurus borealis track maker (= adult P. marylandicus?) Sauropoda Neosauropoda Pre-Laramidian (Western North American) Faunas. Ruby Ranch Member (Cedar Mtn. )(after Weishampel et al., 2004; Mori, 2009 unless noted). 8; f = 7) Iguanodontia Tenontosaurus sp. cf. Sauropelta sp. Polacanthinae Gastonia lorriemcwhinneyae (Kinneer et al., 2017) Sauropoda Neosauropoda Macronaria Titanosauriformes Brontomerus mcintoshi (Taylor et al., 2011)?Astrodon sp. Allosauroidea undescribed new genus Carcharodontosauridae cf. Acrocanthosaurus sp. cf. Deinonychus sp. (Mori, 2009) Units V-VII (Cloverly ) (after Ostrom, 1970 and Weishampel et al., 2004 unless noted). (g = 10, f = 9) Thescelosauridae Orodrominae Zephyrosaurus schaffi Iguanodontia Tenontosaurus tilletti Marginocephalia Ceratopsia Neoceratopsia Aquilops americanus (Farke et al., 2014) Nodosauria Sauropelta edwardsorum Sauropoda Neosauropoda Macronaria Titanosauriformes Sauroposeidon proteles (Woodruff, 2012; d Emic and Foreman, 2012; Oreska et al., 2013)

3 Macronaria Titanosauriformes Brontopodus birdi track maker (=Astrodon?) Megalosauropus sp. track maker Ornithomimipus angustus track maker Arkansas Trinity Group (=Basal Glen Rose?) indet. (e.g., Quinn, 1973; Hunt-Foster, 2003) Allosauroidea Carcharodontosauridae Acrocanthosaurus atokensis Ornithomimus sp. (= indet.) Deinonychus antirrhopus Oviraptorosauria Caenagnathoidea Caenagnathidae Microvenator celer Table 2. Simpson Similarity Index Values for Aptian North American Dinosaur Faunas (Genus). *Expressed as percentages Arundel Clay 6) Arundel Clay 6) Ruby Ranch Member (Cedar Mtn. ) 8) Units V-VII (Cloverly ) 9) Ruby Ranch Member (Cedar Mtn. ) 8) Units V-VII (Cloverly ) 9) Table 3. Simpson Similarity Index Values for Aptian North American Dinosaur Faunas (Family). *Expressed as percentages Arundel Clay 8) Ruby Ranch Member (Cedar Mtn. ) 7) Units V-VII (Cloverly ) 9) Arundel Clay 8) 50 Ruby Ranch Member (Cedar Mtn. ) 7) Units V-VII (Cloverly ) 9)

4 Table 4. Jaccard Coefficient and Distance Values for Aptian North American Dinosaur Faunas (Genus). Arundel Clay 6) Ruby Ranch Member (Cedar Mtn. ) 8) Units V-VII (Cloverly ) 9) Arundel Clay 6) 0.3 (0.7) Ruby Ranch Member (Cedar Mtn. ) 8) 0.2 (0.8) 0.2 (0.8) Units V-VII (Cloverly ) 9) Table 5. Jaccard Coefficient and Distance Values for Aptian North American Dinosaur Faunas (Family). Arundel Clay 8) Ruby Ranch Member (Cedar Mtn. ) 7) Units V-VII (Cloverly ) 9) Arundel Clay 8) 0.5 (0.5) Ruby Ranch Member (Cedar Mtn. ) 7) 0.6 (0.4) 0.6 (0.4) Units V-VII (Cloverly ) 9) Table 6. Albian North American Dinosaur Faunas. Number of genus-level taxa = g; number of family -level taxa = f. Units excluded from statistical analysis: Paw Paw ; Glen Rose. Pre-Appalachian (Eastern North American) Pre-Laramidian (Western North American) Faunas. Dakota. 2; f = 3) Iguanodontia Iguanodontia indet. (Joeckal et al., 2004) Silvisaurus condrayi (Eaton, 1960) indet. (Liggett, 2005) Magnoavipes sp. (= indet.) Paw Paw. 3; f = 1) Faunas. Blackleaf (Varricchio et al., 2007; Ullman et al., 2012). 1; f = 5) Thescelosauridae Orodrominae Oryctodromeus cubicularis Iguanodontia indet. indet. indet.

5 Pawpawsaurus campbelli (Lee, 1996) Texasetes pleurohalio (Coombs, 1995) Paw Paw Juvenile Nodosaur (Jacobs et al., 1994) Paluxy (after Langston, 1974; Weishampel et al., 2004). 5; f =5) Iguanodontia Tenontosaurus sp. Iguanodontia indet. indet. Sauropoda Astrophocaudia sp. (D Emic, 2013) Cedarosaurus sp. (D Emic, 2013) Brontopodus birdi (=Sauropoda indet.) Neosauropoda Macronaria Titanosauriformes Titanosauriformes indet. Ornithomimus sp. (= indet.) Glen Rose (after Weishampel et al., 2004; Fowler et al., 2010 unless noted). Iguanodontia Tenontosaurus sp. Sauropoda Brontopodus sp. (=Sauropoda indet.) Neosauropoda Macronaria Titanosauriformes Sauroposeidon sp. Eubrontes glenrosensis (=?Acrocanthosaurus sp.) indet. Wayan (Krumenacker et al., 2017). 1; f = 10) Iguanodontia Iguanodontia indet. indet. Thescelosauridae Orodrominae Oryctodromeus sp. Marginocephalia Neoceratopsia indet. indet. Allosauroidea Neovenatoridae indet. indet.?small theropod gen. et sp. indet. gen. et sp. indet. (small sp.)? gen. et sp. indet. (large sp.) indet. Oviraptorosauria Oviraptorosauria indet. (large sp.) Willow Tank (Bonde et al., 2012). 0; f = 9) Hypsilophodontidae indet. (=small euornithopod indet.) Iguanodontia Iguanodontia indet. indet. Thyreophora Thyreophora indet. Sauropoda Neosauropoda

6 Macronaria Titanosauriformes Titanosauriformes indet. indet. Tetanurae Tetanurae indet. indet. indet. Table 7. Simpson Similarity Index Values for Albian North American Dinosaur Faunas (Genus). *Expressed as percentages Dakota 2) Paluxy 5) Blackleaf 1) Wayan 1) Willow Tank 0) Dakota 2) Paluxy 5) Blackleaf 1) 20 Wayan 1) Willow Tank 0) Table 8. Simpson Similarity Index Values for Albian North American Dinosaur Faunas (Family). *Expressed as percentages Dakota 3) Paluxy 5) Blackleaf 5) Wayan Dakota 3) 100 Paluxy 5 ) Blackleaf 5) Wayan 10) Willow Tank 9)

7 10) Willow Tank 9) Table 9. Jaccard Coefficient and Distance Values for Albian North American Dinosaur Faunas (Genus). *Expressed as percentages Dakota 2) Paluxy 5) Blackleaf 1) Wayan 1) Willow Tank 0) Dakota 2) Paluxy 5) Blackleaf 1) 6 (0.94) Wayan 1) Willow Tank 0) Table 10. Jaccard Coefficient and Distance Values for Albian North American Dinosaur Faunas (Family). *Expressed as percentages Dakota 3) Paluxy 5) Blackleaf 5) Wayan 10) Willow Tank 9) Dakota 3) 0.6 (0.4) Paluxy 5) Blackleaf 5) 0.1 (0.9) 0.1 (0.9) 0.5 (0.5) Wayan 10) 9 (0.91) 0.2 (0.8) 0.3 (0.7) 0.4 (0.6) Willow Tank 9)

8 Table 11. Cenomanian North American Dinosaur Faunas. Number of genus-level taxa = g; number of family -level taxa = f. Appalachian Faunas. Woodbine (after Main, 2005; 2013). (g = 4, f = 8) Iguanodontia Protohadros byrdi Protohadros sp. indet. unnamed taxon indet. Tetanurae Allosauroidea Allosauroidea indet. (? =Carcharodontosauroidea indet.) Richardoestesia sp.? indet. Magnoavipes sp. (= indet.) indet. Potomac (after Baird, 1989; this paper). Euornithopoda indet. (tracks) indet. (= cf. Appalachiosaurus sp.)??pennaraptora?caenagnathoidea?caenagnathidae?caenagnathidae indet. large taxon?=(saurexallopus sp. tracks) Laramidian Faunas. Mussentuchit Member (Cedar Mtn. ). 10; f = 12) Hypsilophodontidae indet. (=small euornithopod indet.)(garrison et al., 2007) Iguanodontia Tenontosaurus sp. (Kirkland et al., 1997) Eolambia caroljonesa (Kirkland, 1998; McDonald et al., 2012) Marginocephalia Neoceratopsia Neoceratopsia indet. (Chinnery et al., 1998) Ceratopsoidea Ceratopsoidea indet. (Carpenter & Cifelli, 2016) Animantarx ramaljonesi (Carpenter et al. 1999) Peloroplites cedrimontanus (Carpenter et al., 2008) Ankylosauridae Cedarpelta bilbeyhallorum (Carpenter et al., 2001) Sauropoda Neosauropoda Macronaria Brachiosauridae Abydosaurus mcintoshi (Chure et al., 2010) Sonorasaurus thompsoni (Ratkevich, 1998) Tetanurae Allosauroidea Neovenatoridae Siats meekerorum (Zanno and Mackovicky, 2013)?Richardoestesia isosceles (Garrison et al., 2007) indet. (Zanno and Mackovicky, 2013) indet. (Garrison et al., 2007)?Paronychodon sp. (Garrison et al., 2007) Dunvegan. 1; f = 4) indet. (e.g. Weishampel et al., 2004)

9 indet. (e.g. Weishampel et al., 2004; Burns and Vavrek, 2014) indet. (Weishampel et al., 2004) Tetanurae Columbisauripus ungulatus (Storer, 1975) Table 12. Simpson Similarity Index Values for Cenomanian North American Dinosaur Faunas (Genus). *Expressed as percentages Woodbine 4) Mussentuchit Member (Cedar Mtn. ) 10) Dunvegan 1) Woodbine 4) 30 Mussentuchit Member (Cedar Mtn. ) 10) Dunvegan 1) Table 13. Simpson Similarity Index Values for Cenomanian North American Dinosaur Faunas (Family). *Expressed as percentages Woodbine 8) Mussentuchit Member (Cedar Mtn. ) 12) Dunvegan 4) Woodbine 8) 90 Mussentuchit Member (Cedar Mtn. ) 12) Dunvegan 4) Table 14. Jaccard Coefficient and Distance Values for Cenomanian North American Dinosaur Faunas (Genus). *Expressed as Woodbine percentages 4) Woodbine 4) Mussentuchit Member (Cedar Mtn. ) 10) Dunvegan 1) 9 (0.91) Mussentuchit Member (Cedar Mtn. ) 10) Dunvegan 1) Table 15. Jaccard Coefficient and Distance Values for Cenomanian North American Dinosaur Faunas (Family). *Expressed as Woodbine Dunvegan percentages 4) 4) Mussentuchit Member (Cedar Mtn. ) 12)

10 Woodbine 4) Mussentuchit Member (Cedar Mtn. ) 12) Dunvegan 4) 0.4 (0.6) 0.1 (0.9) 7 (0.93) Table 16. Turonian North American Dinosaur Faunas. Appalachian Faunas. Laramidian Faunas. Moreno Hill (after Weishampel et al., 2004 with more recent additions added accordingly). Jeyawati rugoculus (McDonald et al., 2010) indet. Marginocephalia Ceratopsia Ceratopsoidea Zuniceratops christopheri (Wolfe and Kirkland, 1998) indet. indet. (Wolfe and Kirkland, 1998) indet. Therizinosauria Therizinosauridae Nothronychus mckinleyi(kirkland and Wolfe, 2001) indet. Frontier. indet. (tracks)(hamlin and Bibley, 2000) Nodosaurus textilis (Marsh 1889) Stegopelta landerensis (Williston, 1905) Matanuska. Lizzie the hadrosaur (Pasch and May, 1998)

11 Tropic Shale. Therizinosauria Therizinosauridae Nothronychus graffmanni (Zanno et al., 2009) Table 17. Conacian/Santonian North American Dinosaur Faunas. Number of genus-level taxa = g; number of family -level taxa = f. Units excluded from statistical analysis: McShan. Appalachian Faunas. Niobrara. (after Carpenter et al., 1995 unless noted). 3, f =3) Claosaurus agilis indet. (Everhart and Ewell, 2006) Niobrarasaurus coleii? Hierosaurus sternbergi indet. (Alabama, Georgia, Mississippi, Tennessee) McShan. (after Ebersole and King, 2011) indet. Eutaw (after Ebersole and King, 2011). 2; f = 8) indet. Lophorhothon atopus indet. indet. indet. indet. (?=Appalachiosaurus montgomeriensis) Laramidian Faunas. Milk River. 7; f = 10) indet. (Weishampel et al., 2004) cf. Kritosaurus sp. (Weishampel et al., 2004) indet. Pachycephalosauria Acrotholus audeti (Evans et al., 2013) Pachycephalosauria indet. (Weishampel et al., 2004) Ceratopsia Ceratopsidae indet. (Weishampel et al., 2004) Centrosaurinae cf. Brachyceratops sp. (Weishampel et al., 2004) Leptoceratopsidae Gryphoceratops morrisoni (Ryan et al., 2012) indet. Richardoestesia gilmorei (Weishampel et al., 2004) Richardoestesia sp. (Weishampel et al., 2004) Tyrannosauridae indet. (Weishampel et al., 2004) Ornithomimidae indet. (Weishampel et al., 2004)?Troodontidae Paronychodon lacustris (Weishampel et al., 2004)

12 . indet. indet. cf. Saurornitholestes langstoni (Weishampel et. al., 2004) Table 18. Simpson Similarity Index Values for Conacian/Santonian North American Dinosaur Faunas (Genus). *Expressed as Niobrara percentages Niobrara (g = 3) Eutaw 2) Milk River 7) 3) Eutaw 2) Milk River 7) Table 19. Simpson Similarity Index Values for Conacian/Santonian North American Dinosaur Faunas (Family). *Expressed as Niobrara percentages Niobrara 3) Eutaw 8) Milk River 10) 3) 100 Eutaw 8) Milk River 10) Table 20. Jaccard Coefficient and Distance Values for Conacian/Santonian North American Dinosaur Faunas (Genus). Niobrara Niobrara 3) Eutaw 2) 3) Eutaw 2) Milk River 7) Milk River 7)

13 Table 21. Jaccard Coefficient and Distance Values for Conacian/Santonian North American Dinosaur Faunas (Family). Niobrara Niobrara 3) Eutaw 8) Milk River 10) 3) 0.4 (0.6) Eutaw 8) 0.2 (0.8) 0.2 (0.8) Milk River 10) Table 22. Campanian North American Dinosaur Faunas. Number of genus-level taxa = g; number of family -level taxa = f. Units excluded from statistical analysis: Demopolis Chalk ; Bladen ; Donoho Creek ; Cook Creek/Ripley s; Merchantville ; Woodbury ; Mt. Laurel/Wenonah s. Appalachian Faunas. Laramidian Faunas. Demopolis Chalk. Appalachiosaurus montgomeriensis (Carr et al., 2005) indet. (Weishampel et al., 2004) Mooreville Chalk, Blufftown, Coffee Sand formations, unnamed Missouri clay unit 7; f = 8)(after Fix and Darrough, 2004; Ebersole and King, 2011 unless noted) Ornithischia?Ornithischia indet. Lophorhothon atopus (Langston, 1960) Wahweap (after Sampson et al., 2013a unless referenced). 9; f = 10) Saurolophinae Acristavus gaglarsoni Lambeosaurinae Adelolophus hutchinsoni (Gates et al., 2014) Lambeosaurinae indet. Marginocephalia Ceratopsia Ceratopsidae Centrosaurinae Diabloceratops eatoni Machairoceratops cronusi (Lund et al., 2016) Unnamed taxon Pachycephalosauridae

14 Parrosaurus missouriensis indet. indet. Eotrachodon orientalis (Prieto-Márquez et al., 2016 Unnamed Mooreville taxon (Ebersole, 2016, pers. comm.) indet. indet. indet. Appalachiosaurus montgomeriensis indet. (Ebersole and King, 2011) Ornithomimus antiquus (Schwimmer et al., 1993) Saurornitholestes sp.(kiernan and Schwimmer, 2004) indet. (Ebersole and King, 2011) Tar Heel, Coachman formations (after Miller, 1967; Baird & Horner, 1979; Schwimmer et al., 2015). 12, f = 9) Lophorhothon atopus Hypsibema crassicauda indet. indet. (including?unnamed Coachman taxon) cf. Hadrosaurus foulkii Possibly unnamed taxon (assigned to Hadrosaurus minor by Miller (1967) Marginocephalia Ceratopsia Neoceratopsia Leptoceratopsidae Indeterminate derived Leptoceratopsid taxon indet. indet. Dryptosaurus aquilunguis Appalachiosaurus montgomeriensis indet. Unnamed taxon indet. Ankylosauridae Ankylosauridae indet. Tyrannosauridae Lythronax argestes (Loewen et al., 2013 Unnamed taxon Troodontidae Unnamed taxon Two Indeterminate morphotypes Kaiparowits (after Sampson et al., 2013a). 11; f = 13) Neornithischia indet (including unnamed taxon)(boyd, Drumheller & Gates,2014) Saurolophinae Gryposaurus monumentensis Gryposaurus sp. indet. Lambeosaurinae Parasaurolophus sp. Marginocephalia Ceratopsia Ceratopsidae Centrosaurinae Nasutoceratops titusi (Sampson et al., 2013b) Chasmosaurinae Kosmoceratops richardsoni Utahceratops gettyi Pachycephalosauridae Two indeterminate morphotypes indet. Ankylosauridae Unnamed taxon Unnamed taxon Tyrannosauridae Teratophoneus curriei Unnamed taxon Oviraptorosauria

15 indet. Ornithomimus sp. Saurornitholestes langstoni?dromaeosaurus sp. indet. taxon. Bladen (after Crane, 2011). indet. indet. Ornithomimus sp. Donoho Creek (after Weishampel and Young, 1996; Schwimmer et al., 2015). indet. indet. indet. Hadrosaurinae indet. Appalachiosaurus montgomeriensis indet. indet. Saurornitholestes langstoni Coon Creek and Ripley s (after Ebersole and King, 2011). indet. indet. Merchantville (after Gallagher, 1993; Brownstein, 2017b). Hadrosaurus foulkii indet. Unnamed taxon Hagryphus giganteus Troodontidae Talos sampsoni Two indeterminate morphotypes Kirtland (after Weishampel et al., 2004 unless noted). 14; f = 11) Saurolophinae Kritosaurus navajovious Anasazisaurus horneri Lambeosaurinae Parasaurolophus tubicen Parasaurolophus sp. indet. Marginocephalia Ceratopsia Ceratopsidae Chasmosaurinae Pentaceratops sternbergii Pentaceratops sp. Titanoceratops ouranos (Longrich, 2011) Pachycephalosauridae Sphaerotholus goodwini (Sullivan & Lucas, 2006) Stegoceras novomexicanum (Jasinski & Sullivan, 2011) Ankylosauridae Nodocephalosaurus kirtlandensis Ashislepelta minor (Burns & Sullivan, 2011) Ziapelta sanjuanensis (Arbour et al., 2014) unnamed taxon? Sauropoda Lithostrotia Alamosaurus sanjuanensis Tyrannosauridae Bistahieversor sealeyi (Carr & Williamson, 2010) Tyrannosauridae indet. indet. (=?Two taxa) Saurornitholestes langstoni indet. Troodontidae Troodontidae indet. Judith River (after Weishampel et al., 2004 unless noted). 19; f = 15)

16 indet. Woodbury (after Gallagher, 1993) Hadrosaurus foulkii Marshalltown (after Grandstaff et al., 1992; Gallagher, 1993; pers. obs.) 5; f = 9) incertae sedis. Hypsibema crassicauda? indet. indet. Hadrosaurus foulkii?hadrosaurus sp. indet. (=unnamed taxon?) indet. indet. Dryptosaurus aquilunguis Ornithomimus antiquus indet. Mount Laurel/Wenonah formations (after Gallagher, 1993; pers. obs.). indet.?hadrosaurus sp.?dryptosaurus sp. indet. Kanguk (after Gangloff, 2012; Vavrek et al., 2014) indet. Lambeosaurinae Lambeosaurinae indet. indet. Thescelosauridae?Orodromeus neglectus (=Thescelosaurus) indet. Saurolophinae Brachylophosaurus canadensis Probrachylophosaurus bergei (Freedman Fowler & Horner, 2015) Marginocephalia Ceratopsia Ceratopsidae Centrosaurinae Avaceratops lammersi Chasmosaurinae Judiceratops tigris (Longrich, 2013) Medusaceratops lokii (Ryan, Russell & Hartman 2010) Mercuriceratops gemini (Ryan et al., 2014) Spiclypeus shipporum (Mallon et al., 2016) Ceratopsidae indet. Pachycephalosauridae Stegoceras validum (=Hansuessia) Stegoceras sp. (=Hanssuesia) Pachycephalosaurus wyomingensis Ankylosauridae Ankylosauridae indet. Edmontonia rugosidens Edmontonia longiceps indet. Richardoestesia gilmorei Tyrannosauridae Gorgosaurus libratus Albertosaurus sarcophagus Tyrannosauridae indet. Ornithomimus sp. indet. Troodontidae Troodon formosus Troodontidae indet. (possibly 1-4 taxa) Saurornitholestes langstoni Dromaeosaurus albertensis Oldman (after Weishampel et al., 2004 unless noted). 14; f = 13) Thescelosauridae Albertadromeus syntarsus (Brown et al.,

17 2013) Saurolophinae Brachylophosaurus canadensis Hypacrosaurus stebingeri Lambeosaurinae Unnamed Lambeosaurine taxon indet. Marginocephalia Ceratopsia Ceratopsidae Centrosaurinae Coronosaurus brinkmani (Ryan & Russell, 2005) Albertaceratops nesmoi (Ryan, 2007) Pachycephalosauria Pachycephalosauridae Stegoceras validum (=Hanssuesia) Pachycephalosauridae indet. Ankylosauridae Euoplocephalus unnamed species Ankylosauridae indet. indet. cf. Richardoestesia sp. Tyrannosauridae Daspletosaurus torosus Daspletosaurus sp. cf. Gorgosaurus sp. Tyrannosauridae indet. indet. Troodontidae cf. Troodon sp. Troodontidae indet. Saurornitholestes langstoni cf. Dromaeosaurus sp. Dinosaur Park (after Weishampel et al., 2004 with more recent additions added accordingly). 39; f = 18) Thescelosauridae Orodromeus cf. makelai Saurolophinae Brachylophosaurus canadensis Gryposaurus notabilis Prosaurolophus maximus

18 ?Maiasaura sp. Lambeosaurinae Corythosaurus casuarius Lambeosaurus lambei Lambeosaurus magnicristatus Parasaurolophus walkeri indet. Marginocephalia Ceratopsia Neoceratopsia Leptoceratopsidae Leptoceratops sp. Unescoceratops koppelhusae (Ryan et al., 2012) Ceratopsidae Chasmosaurinae Anchiceratops ornatus Chasmosaurus belli Chasmosaurus russelli Chasmosaurus sp. Vagaceratops irvinensis Pentaceratops aquilionus (Longrich, 2014) Kosmoceratops sp. (Longrich, 2014) Mercuriceratops gemini (Ryan et al., 2014) Centrosaurinae Styracosaurus albertensis Centrosaurus apertus Centrosaurus sp. Spinops sternbergorum (Farke et al., 2011) Centrosaurinae indet. Pachycephalosauria Homocephaloidea Ornatotholus browni Pachycephalosauridae Gravitholus albertae Stegoceras validum Hanssuesia sternbergi (Sullivan, 2003) Edmontonia rugosidens Edmontonia longiceps Panoplosaurus mirus indet. (probably synonymous with aforementioned taxa) Ankylosauridae Euplocephalus tutus Scolosaurus cutleri (Penkalski & Blows, 2013) Richardoestesia gilmorei Richarodestesia isosceles Tyrannosauridae Gorgosaurus libratus Daspletosaurus torosus

19 Tyrannosauridae indet. Ornithomimus edmontonensis Struthiomimus altus indet. Therizinosauroidea cf. Erlikosaurus sp. Oviraptorosauria Chirostenotes pergracilis Chirostenotes elegans Caenagnathus collinsi (Longrich et al., 2013) Leptorynchos elegans (Longrich et al., 2013) Troodontidae Troodon formosus Troodon sp. Troodontidae indet. Dromaeosaurus albertensis Dromaeosaurus sp. Saurornitholestes langstoni indet. Table 23. Simpson Similarity Index Values for Campanian North American Dinosaur Faunas (Genus). Abbreviations: Mc.-Bt.-Cs.-Mc., Mooreville Chalk, Blufftown, Coffee Sand formations, unnamed Missouri clay unit; Th.-Cm., Tar Heel-Coachman formations; Mt., Marshalltown ; Wwp., Wahweap ; Kpts. Kaiparowits ; Krt., Kirtland ; Jud., Judith River ; Oldm., Oldman ; Dinp., Dinosaur Park. *Expr essed as percen tages Mc.- Bt.- Cs.- Mc. 7) Th.- Cm. 12) Mt. 5) Wwp. 9) Mc.- Bt.- Cs.- Mc. 7) Th.- Cm. 12) 30 Mt. 5) 70 Wwp. 9) Kpts. 11) Krt. 14) Jud. 19) Oldm. 14) Dinp. 39)

20 Kpts. 11) Krt. 14) Jud. 19) Oldm. 14) Dinp. 39) Table 24. Simpson Similarity Index Values for Campanian North American Dinosaur Faunas (Family). Abbreviations: Mc.-Bt.-Cs.-Mc., Mooreville Chalk, Blufftown, Coffee Sand formations, Unnamed Missouri clay unit; Th.-Cm., Tar Heel-Coachman formations; Mt., Marshalltown ; Wwp., Wahweap ; Kpts. Kaiparowits ; Krt., Kirtland ; Jud., Judith River ; Oldm., Oldman ; Dinp., Dinosaur Park. *Expr essed as percen tages Mc.- Bt.- Cs.- Mc. 8) Th.- Cm. 9) Mt. 9) Wwp. 10) Kpts. 13) Krt. 11) Jud. 15) Oldm. 13) Mc.- Bt.- Cs.- Mc. 8) Th.- Cm. 9) 90 Mt. 9) Wwp. 10) Kpts. 13) Krt. 11) Jud. 15) Oldm. 13) Dinp. 18) Dinp

21 18) Table 25. Jaccard Coefficient and Distance Values for Campanian North American Dinosaur Faunas (Genus). Abbreviations: Mc.-Bt.-Cs.-Mc., Mooreville Chalk, Blufftown, Coffee Sand, formations, unnamed Missouri clay unit; Th.-Cm., Tar Heel-Coachman formations; Mt., Marshalltown ; Wwp., Wahweap ; Kpts. Kaiparowits ; Krt., Kirtland ; Jud., Judith River ; Oldm., Oldman ; Dinp., Dinosaur Park. Mc.- Bt.- Cs.- Mc. 7) 0.4 (0.6) 5 (0.95) 9 (0.91) 5 (0.95) 6 (0.94) Th.- Cm. 12) 0.4 (0.6) 4 (0.96) 8 (0.92) 4 (0.96) Mt. 5) 2 (0.98) Wwp. 9) Kpts. 11) 7 (0.93) Krt. 14) 7 (0.93) 7 (0.93) 0.29 (0.71) Jud. 19) 0.3 (0.97) 0.22 (0.78) Oldm. 14) 0.24 (0.76) Dinp. 39) Table 26. Jaccard Coefficient and Distance Values for Campanian North American Dinosaur Faunas (Family). Abbreviations: Mc.-Bt.-Cs.-Ms., Mooreville Chalk, Blufftown, Coffee Sand formations, unnamed Missouri clay unit; Th.-Cm., Tar Heel-Coachman formations; Mt., Marshalltown ; Wwp., Wahweap ; Kpts. Kaiparowits ; Krt., Kirtland ; Jud., Judith River ; Oldm., Oldman ; Dinp., Dinosaur Park. Mc.- Bt.- Cs.- Mc. Th.- Cm. Mt. 5) Wwp. 9) Kpts. 11) Krt. 14) Jud. 19) Oldm. 14) Dinp. 39) Mc.- Bt.- Th.- Cm. 9) Mt. 9) Wwp. 10) Kpts. 13) Krt. 11) Jud. 15) Oldm. 13) Dinp. 18)

22 Mc.- Bt.- Cs.- Mc. 8) Th.- Cm. 9) Mt. 9) Wwp. 10) Kpts. 13) Krt. 11) Jud. 15) Oldm. 13) Dinp. 18) Cs.- Mc. 8) 0.6 (0.4) 0.7 (0.3) 0.2 (0.8) 0.2 (0.8) 0.3 (0.7) 0.3 (0.7) 0.2 (0.8) 0.2 (0.8) 0.6 (0.4) 0.1 (0.9) 0.1 (0.9) 0.2 (0.8) 0.3 (0.7) 0.2 (0.8) 0.2 (0.8) 0.2 (0.8) 0.2 (0.8) 0.2 (0.8) 0.3 (0.7) 0.3 (0.7) 0.2 (0.8) 0.71 (0.29) 0.7 (0.3) 0.71 (0.29) 0.77 (0.23) 0.53 (0.47) 0.67 (0.33) 0.65 (0.35) 0.63 (0.37) 0.58 (0.42) 0.73 (0.27) 0.67 (0.33) 0.61 (0.39) 0.86 (0.14) 0.69 (0.31) 0.72 (0.28) Table 27. Maastrichtian North American Dinosaur Faunas. Number of genus-level taxa = g; number of family -level taxa = f. Units excluded from statistical analysis: Owl Creek ; Prairie Bluff ; New Egypt ; Kingstree equivalent. Appalachian Faunas. Laramidian Faunas. Owl Creek (after Farke and Phillips, 2017). Marginocephalia Ceratopsia Ceratopsidae Ceratopsidae indet. Prairie Bluff. (after Ebersole and King, 2011) indet. Navesink (after Gallagher, 1993; Brusatte et al., 2012; pers. obs.). 6, f = 5) Hell Creek (after Weishampel et al., 2004 with more recent additions added accordingly). 19; f = 14) Thescelosauridae Thescelosaurus garbanii Thescelosaurus neglectus Saurolophinae Edmontosaurus annectens Edmontosaurus regalis Lambeosaurinae?Parasaurolophus walkeri Marginocephalia Ceratopsia Euceratopsia

23 ?Hadrosaurus foulkii Unnamed genus minor Lambeosaurinae Lambeosaurinae indet. indet. (unnamed taxon?) Dryptosaurus aquilunguis Distinct but indeterminate taxon indet. Unnamed genus antiquus New Egypt. Hadrosaurus minor Lambeosaurinae Lambeosaurinae indet. Dryptosaurus aquilunguis Severn (after Baird, 1986). indet. indet. Kingstree Equivalent (after Schwimmer et al., 2015). indet. Leptoceratopsidae Leptoceratops cf. gracilis Ceratopsidae Chasmosaurinae Triceratops horridus Triceratops prorsus Torosaurus latus Ceratopsidae indet. Pachycephalosauridae Pachycephalosaurus wyomingensis Stegoceras edmontonense Sphaerotholus buchholtzae Sphaerotholus goodwini Stegoceras sp. Edmontonia unnamed species Ankylosauridae Ankylosaurus magniventris Tyrannosauridae Tyrannosaurus rex Ornithomimus sp. Struthiomimus sedens (Longrich, 2008) indet. Troodontidae Pectinodon bakkeri (Carpenter, 1982)?Troodontidae indet. Acheroraptor temertyorum (Evans, Larson & Currie, 2013) Dakotaraptor steini (DePalma et al., 2015) Oviraptorosauria Anzu wyliei (Lamanna et al., 2014) Caenagnathus collinsi Caenagnathus sp. Alvarezsauria Unnamed taxon Lance (after Weishampel et al., 2004 with more recent additions added accordingly). 15; f = 14) Thescelosauridae Thescelosaurus neglectus Thescelosaurus garbanii Saurolophinae Edmontosaurus annectens Edmontosaurus regalis Lambeosaurinae?Lambeosaurus sp.

24 indet. Marginocephalia Ceratopsia Neoceratopsia Leptoceratopsidae Leptoceratops gracilis Ceratopsidae Chasmosaurinae Triceratops horridus Triceratops prorsus Torosaurus latus Pachycephalosauridae Pachycephalosaurus wyomingensis cf. Pachycephalosaurus sp. Edmontonia unnamed species indet. Ankylosauridae Ankylosaurus cf. magniventris Ankylosauridae indet. Richardoestesia sp. Tyrannosauridae cf. Tyrannosaurus rex Tyrannosaurus sp. Ornithomimus sp. Struthiomimus sedens Troodontidae?Pectinodon sp. (Carpenter, 1982) Troodontidae indet. indet. (may include 2-3 taxa) Oviraptorosauria?Chirostenotes sp. Horseshoe Canyon (after Weishampel et al., 2004 with more recent additions added accordingly). 26; f = 17) Thescelosauridae Thescelosaurus neglectus Parksosaurus warreni Saurolophinae Edmontosaurus regalis Saurolophus osborni Lambeosaurinae Hypacrosaurus altispinus Marginocephalia Ceratopsia Neoceratopsia

25 Leptoceratopsidae Montanoceratops cerorhynchus Ceratopsidae Chasmosaurinae Anchiceratops ornatus Arrhinoceratops brachyops Centrosaurinae Pachyrhinosaurus canadensis Ceratopsidae indet. Pachycephalosauridae Stegoceras edmontonense?prenocephale brevis Edmontonia longiceps Panoplosaurus sp. Ankylosauridae Anodontosaurus lambei (Arbour, 2010; Penalski, 2013) Richardoestesia gilmorei cf. Richardoestesia isosceles Tyrannosauridae Albertosaurus sarcophagus Daspletosaurus sp. Tyrannosauridae indet. Ornithomimus edmontonensis Struthiomimus altus indet. Troodontidae cf. Troodon sp. Troodontidae indet. Dromaeosaurus unnamed species cf. Dromaeosaurus sp. Saurornitholestes sp. Atrociraptor marshalli (Currie & Varricchio, 2004)?Dromaeosauidae indet. Oviraptorosauria Epichirostenotes curriei (Sullivan, Jaskinski & Tomme, 2011) Apatoraptor pennatus (Funston & Currie, 2016) Alvarezsauria Albertonykus borealis (Longrich & Currie, 2009) Javelina (after Weishampel et al., 2004 with more recent additions added accordingly). 6; f = 7)

26 Saurolophinae Saurolophinae indet. Gryposaurus? alsatei (Lehman, Wick & Wagner, 2016) Kritosaurus sp. (Lehman, Wick & Wagner, 2016) Marginocephalia Ceratopsia Ceratopsidae Chasmosaurinae Bravoceratops polyphemus (Wick & Lehman, 2013) Torosaurus utahensis (Hunt-Foster & Lehman, 2008) Ceratopsia indet. indet. Tyrannosauridae Tyrannosaurus rex indet. Sauropoda Lithostrotia Alamosaurus sanjuanensis Table 28. Simpson Similarity Index Values for Maastrichtian North American Dinosaur Faunas (Genus). *Expressed as percentages Navesink 6) Hell Creek 19) Lance 15) Horseshoe Canyon Navesink 6) Hell Creek 19) 79 Lance 15) Horseshoe Canyon 26) Javelina 6)

27 26) Javelina 6) Table 29. Simpson Similarity Index Values for Maastrichtian North American Dinosaur Faunas (Family). *Expressed as percentages Navesink 5) Hell Creek 14) Lance 14) Horseshoe Canyon 17) Javelina 7) Navesink 5) Hell Creek 14) Lance 14) Horseshoe Canyon 17) Javelina 7) Table 30. Jaccard Coefficient and Distance Values for Maastrichtian North American Dinosaur Faunas (Genus). Navesink Hell Creek Lance Javelina 6) 19) 15) 6) Navesink 6) Hell Creek 19) Lance 15) Horseshoe Canyon 26) Javelina 6) 0.53 (0.47) 0.88 (0.12) 0.30 (0.70) Horseshoe Canyon 26) 0.3 (0.7) 0.1 (0.9)

28 Table 31. Jaccard Coefficient and Distance Values for Maastrichtian North American Dinosaur Faunas (Family). Navesink Hell Creek Lance Javelina 5) 14) 14) 7) Navesink 5) Hell Creek 14) Lance 14) Horseshoe Canyon 17) Javelina 7) 0.2 (0.8) 0.2 (0.8) 0.87 (0.13) 0.2 (0.8) 0.88 (0.12) 0.94 (6) Horseshoe Canyon 17) 0.2 (0.8) 0.3 (0.7) 0.3 (0.7) 0.3 (0.7) Niobrara specimens used for rarefaction: FHSM VP ( indet.)(everhart, 2005) KU ( indet.)(carpenter et al., 1995) YPM ( indet.)(carpenter et al., 1995) YPM 1847 (Heirosaurus holotype)()(carpenter et al., 1995) FHSM VP ( indet.)(everhart and Ewell, 2006) YPM 1190 (Claosaurus holotype)()(carpenter et al., 1995) FHSM VP (Niobrarasaurus holotype)()(carpenter et al, 1995) FHSM VP ( indet.)(carpenter and Hamm, 2005) Total: 9. Table 45. Rarefaction results for Eutaw. N = number of specimens in larger sample; n = number of specimens in smaller sample (Niobrara ); Ni = number of specimens of the i th taxon. N n Ni N-Ni n Factorial Ornithop oda Hadrosa uridae Hadrosa uroidea Nodosau ridae N n Factorial Fraction Result (1- fraction)

29 Theropo da Dromaeo sauridae Ornitho mimosau ria Tyrannos auroidea Total: 4.59~4.6~ Eutaw specimens used for rarefaction (after Ebersole and King, 2011): MMNS VP 5071 ( indet.) MCWSC 6087 ( indet.) UAM PV ( indet.) UAM PV ( indet.) UAM PV ( indet.) UAM PV ( indet.) MCWSC (Lophorhothon atopus)() MMNS VP 292 Tooth ( indet.) MMNS VP 675 Partial Femur ( indet.) MMNS VP 108 Digit II pedal phalanx ( indet.) MMNS VP 111 Limb bone fragment ( indet.) MMNS VP 112 Caudal centrum ( indet.) MMNS VP 3057 Tooth ( indet.) MMNS VP 3739 Tooth ( indet.) MMNS VP 3777 Tooth ( indet.) MMNS VP 3059 Partial skeleton ( indet.) MMNS VP 4757 Partial humerus ( indet.) MMNS VP 5510 Teeth ( indet.) MMNS VP 5947 Caudal vertebra ( indet.) MMNS VP 5952 Tooth ( indet.) PPM Vertebra ( indet.) PPM Tooth ( indet.) USNM PAL Partial skeleton ( indet.) MCWSC RMM 3277 Fragmentary skeleton ( indet.) MMNS VP 104 Partial presacral rod ( indet.) MMNS VP 3088 Tooth ( indet.) MMNS VP 5254 Tooth ( indet.) USNM V 4869 Partial skeleton ( indet.) MMNS VP 4949 Dig III proximal pedal phalanx ( indet.) MMNS VP 103 Proximal pedal phalanx ( indet.) MMNS VP 113 Caudal centrum ( indet.) MMNS VP 3763 Caudal vertebra ( indet.) MMNS VP 5597 Proximal phalanx fragment ( indet.) MOG no number Toe bone ( indet.)

30 PPM Tooth ( indet.) MMNS VP 3087 Pedal ungual ( indet.) MMNS VP 3931 Caudal vertebral centrum ( indet.) MMNS VP 5595 Ungual phalanx ( indet.) MOG no number Ungual ( indet.) MCWSC Third metatarsal ( indet.) MMNS VP 4882 Teeth ( indet.) MMNS VP 3051 Tooth ( indet.) MMNS VP 4300 Tooth ( indet.) MMNS VP 5820 Tooth ( indet.) MCWSC Teeth ( indet.) MOG no number Toe Bone (?Appalachiosaurus sp.)() Total: 45. Table 46. Rarefaction results for Mooreville Chalk, Blufftown, and Coffee Sand formations and unnamed Missouri clay unit. N = number of specimens in larger sample; n = number of specimens in smaller sample (Marshalltown ); Ni = number of specimens of the i th taxon. Ornithisc hia Hadrosa uridae Hadrosa uroidea Nodosau ridae Theropo da Dromaeo sauridae Ornitho mimosau ria Tyrannos auroidea N n Ni N-Ni n Factorial Result: ~ 7.23 ~ 7 N n Factorial Fraction Result (1- fraction) E+16 6E E E+14 6E E+15 6E E+15 6E E+14 6E E+16 6E E+14 6E Table 47. Rarefaction results for Eutaw. N = number of specimens in larger sample; n = number of specimens in smaller sample (Mooreville Chalk, Blufftown, and Coffee Sand formations and unnamed Missouri clay unit.); Ni = number of specimens of the i th taxon. Ornithisc hia N n Ni N-Ni n Factorial N n Factorial Fraction Result (1- fraction) E+14 7E

31 Hadrosa uridae Hadrosa uroidea Nodosau ridae Theropo da Dromaeo sauridae Ornitho mimosau ria Tyrannos auroidea Total: 7.312~7.3~ E-58 7E E+12 7E E+13 7E E+13 7E E+12 7E E+14 7E E Mooreville Chalk, Blufftown, and Coffee Sand formations and unnamed Missouri clay unit specimens used for rarefaction (after Miller, 1967; Baird and Horner, 1979; Schwimmer et al., 2015):?MMNS VP 6016 (Ornithischia indet.) AUMP 3083 Left metatarsal IV ( indet.) AUMP 3026 Ablated tooth crowns ( indet.) CCK Ablated tooth crowns ( indet.) CCK Tibia and astragalus ( indet.) CCK Fibula ( indet.) CCK Digit IV phalanges ( indet.) CCK Digit IV phalanges ( indet.) CCK Digit IV phalanges ( indet.) CCK Digit IV phalanges ( indet.) CCK Metatarsal II ( indet.) CCK Metatarsal III ( indet.) CCK Distal tarsal ( indet) UAM PV200S caudal vertebrae, one bone fragment ( indet.) UAM PV I Metatarsal ( indet.) UAM PVI Bone ( indet.) UAM PV Caudal vertebra ( indet.) UAM PV bone fragments ( indet.) UAM PV Partial bone ( indet.) UAM V Metatarsal ( indet.) CCK-79-3-I Partial posterior left dentary ( indet.) CCK-85-2-I Distal third of left metacarpal III ( indet.) CCK Posterior caudal vertebra ( indet.) CCK Posterior caudal vertebra ( indet.) CCK I Dentary tooth crown and partial roof ( indet.) CCK CCK Jaw fragment ( indet.) MMNS VP 4633 Tooth ( indet.)

32 UAM PV Caudal vertebra ( indet.) MSC 7949 Holotype of Eotrachodon orientalis: nearly complete skull and lower jaws, partial skeleton)(prieto-márquez et al., 2016a, 2016b) MMNS VP 6106 (?Eotrachodon orientalis)(prieto-márquez et al., 2016b) USNM Holotype of Parrosaurus missouriensis: Several caudal vertebrae (additional material from this individual includes skull, limb elements, ribs, vertebrae ()(e.g., Gilmore and Stewart, 1945; Fix and Darrough, 2004) FMNH Holotype of Lophorhothon atopus: skull and lower jaws, limb elements, ribs, vertebrae () MCWSC RMM anterior phalanges (Lophorhothon atopus)() MCWSC bones from the tarsus (Lophorhothon atopus)() AUMP 982 Left jaw (Lophorhothon atopus)() MMNS VP 3058 Caudal Vertebrae ( indet.) MMNS VP 3073 Postzygaphosis ( indet.) MMNS VP 3039 Partial pedal phalanx ( indet.) MMNS VP 3053 Phalanx, ungual ( indet) MMNS VP 3042 Vertebra, caudal ( indet.) MMNS VP 2991 Tibia, left, distal ( indet.) MMNS VP 3055 Dental battery, edentulous fragment ( indet.) MMNS VP 118 Tooth ( indet.) PPM Tooth ( indet.) PPM Tooth ( indet.) FMNH P Ilium ( indet.) MCWSC RMM 1224 Partial skeleton (Unnamed taxon)() UAM PV Pedal element ( indet.) FMNH P Pedal element ( indet.) MCWSC RMM 2577 Bone fragments ( indet.) CCK Partial proximal right tibial shaft ( Ornithomimus antiquus )() ALMNH Tooth (Saurornitholestes sp.)()(kiernan and Schwimmer,2004) CCK Distal tibiotarsal ( indet.) CCK Distal tibiotarsal ( indet.) CCK Distal tibiotarsal ( indet.) No number ( indet.)(e.g., Fix and Darrough, 2004) No number ( indet.)(e.g., Fix and Darrough, 2004) UAM PV Limb element ( indet.) CCK Bone shafts (Appalachiosaurus montgomeriensis)() CCK Tooth (Appalachiosaurus montgomeriensis)() CCK Phalangeal fragment (Appalachiosaurus montgomeriensis)() CCK Bone shafts (Appalachiosaurus montgomeriensis)() Total: 62.

33 Table 48. Rarefaction results for Tar Heel-Coachman formations. N = number of specimens in larger sample; n = number of specimens in smaller sample (Marshalltown ); Ni = number of specimens of the i th taxon. N n Ni N-Ni n Factorial Hadrosa uridae Hadrosa uroidea Leptocer atopsidae Theropo da Coeluros auria Dromaeo sauridae Ornitho mimosau ria Tyrannos auroidea Manirapt ora Result: 8.69 ~ 8.7 ~ 9 N n Factorial Fraction Result (1- fraction) E E E E E E Tar Heel-Coachman specimens used for rarefaction (after Miller, 1967; Baird and Horner, 1979; Schwimmer et al., 2015): ChM PV 9143 Skull fragment? (? indet.) ChM PV 9111 Tooth ( indet.) PV 8833 Limb shaft fragment ( indet.) ChM PV 7366 Partial metatarsal (? indet.) USNM V7199 Tooth (Dryptosaurus sp.)() ANSP Two teeth (Dryptosaurus sp.)() USNM V7189 Partial femur (Dryptosaurus aquilunguis)() ANSP Partial femur (?Dryptosaurus aquilunguis)() ChM PV 7326 Tooth (Appalachiosaurus montgomeriensis)() ChM PV 8826 Tooth (Appalachiosaurus montgomeriensis)() ChM PV 9117 Tooth (Appalachiosaurus montgomeriensis)() ChM PV 7370 Limb fragment (Appalachiosaurus montgomeriensis)() YPM PU ( indet.) ANSP 1539 ( Ornithomimus sp.)() ChM PV 7558 Manual ungual phalanx ( indet.) ChM PV 8823 Femoral fragment ( indet.) ChM PV 8824 Femoral fragment ( indet.) ChM PV 8825 Pedal ungual phalanx ( indet.) ChM PV 9098 Metatarsal fragment ( indet.)

34 ChM PV 9099 Metacarpal ( indet.) SCSM (Saurornitholestes langstoni)() ChM PV 8674 Tooth (Saurornitholestes langstoni)() ChM PV 8675 Tooth (Saurornitholestes langstoni)() ChM PV 8679 Pedal ungual phalanx (Saurornitholestes langstoni)() ChM PV 8689 Tooth (?Dromaeosaurus sp.)() ChM PV 9149, ChM PV 9150 Partial humerus and tibia ( indet.) ANSP One maxillary and one dentary tooth (?Lophorhothon atopus)() ChM PV 8828 Tooth (? indet.) USNM V7189 Lectotype caudal vertebra of Hypsibema crassicauda () USNM V6136 (Hypsibema crassicauda)() ANSP 15307A (Hypsibema crassicauda)() ANSP 15307B (Hypsibema crassicauda)() ANSP 15307C (Hypsibema crassicauda)() ANSP (Hypsibema crassicauda)() NCSM (=UNC 5735)(?Hypsibema crassicauda)() USNM V7189 Left tibia fragment ( indet.) USNM V7189 Right metatarsal II (?Hadrosaurus foulkii) ANSP and ANSP Jaw elements, possibly from same individual ( indet.) USNM V7096 Jaw portion (? Hadrosaurus minor)() ANSP Partial right scapula ( indet.) USNM 5963 Right metatarsal III ( indet.) ChM PV 8827 Vertebral centrum ( indet.) YPM PU Partial left maxilla (Leptoceratopsidae?unnamed taxon)(leptoceratopsidae) Total: 43. Marshalltown specimens used for rarefaction (after Grandstaff et al., 1992; Gallagher, 1993; Denton et al., 2011; pers. obs.): NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) AMNH 7624 Tooth (Dryptosaurus aquilunguis)() NJSM Long bone shaft (Dryptosaurus sp.)() NJSM Tooth (Dryptosaurus sp.)() NJSM Tooth (Dryptosaurus sp.)() NJSM Tooth (Dryptosaurus sp.)() NJSM Tooth (Dryptosaurus sp.)() NJSM Tooth (Dryptosaurus sp.)() NJSM Proximal manual phalanx (Dryptosaurus sp.)() NJSM Tooth (cast)( indet.) NJSM Pedal phalanx ( Ornithomimus antiquus)() NJSM (Hypsibema crassicauda)()

35 AMNH 7626 Partial jaw (Hadrosaurus foulkii)() NJSM Quadrate (?Hadrosaurus sp.)() NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) NJSM ( indet.) PU ( indet.) PU Dermal osteoscute (cast) ( indet.) Total: 39. Table 49. Simpson similarity index, Jaccard coefficient, and Jaccard Distance values between the Mooreville Chalk,Blufftown, and Coffee Sand formations, Campanian-age Missouri clay and Eutaw faunas. Index Value Simpson similarity index (Genus) 100% Simpson similarity index (Family) 100% Jaccard coefficient (Genus) 0.30 Jaccard coefficient (Family) 0.80 Jaccard distance (Genus) 0.70 Jaccard distance (Family) 0.20