PBDB Collection

MNA 1067, Bulldog Bench (Cretaceous to of the United States)

Also known as UMNH VP Loc. 27; OMNH V808

Where: Garfield County, Utah (37.8° N, 111.5° W: paleocoordinates 39.2° N, 74.0° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Naturita Formation, Middle Cenomanian to Middle Cenomanian (99.6 - 93.5 Ma)

• said to be Cenomanian, middle part of "Dakota Fm." = Naturita

• bed-level stratigraphic resolution

Environment/lithology: crevasse splay; mudstone

• "overbank deposit immediately adjacent to a meandering river levee"

Size class: mesofossils

Collection methods: bulk, sieve,

Primary reference: J. G. Eaton and R. L. Cifelli. 1988. Preliminary report on Late Cretaceous mammals of the Kaiparowits Plateau, southern Utah. Contributions to Geology, University of Wyoming 26(2):45-55 [J. Alroy/J. Alroy/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 14385: authorized by John Alroy, entered by John Alroy on 21.09.1998, edited by Matthew Carrano, Terri Cleary and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• in the upper 10 - 20 m of the middle mbr.
see also Eaton 1993c, Eaton et al. 1999

Show authors, comments, and common names

Actinopteri
Pycnodontiformes - Pycnodontidae	Coelodus sp.¹ Coelodus sp.¹ Haeckel MNA V10315–20
Teleostei -	Teleostei "indet. O"¹ Teleostei "indet. O"¹ Müller 1846 MNA V10324
Hiodontiformes - Hiodontidae	Hiodontidae indet.¹ Hiodontidae indet.¹
Teleostei -	Ellimmichthyiformes "indet. LvD"¹, Ellimmichthyiformes "indet. U-7"¹ Ellimmichthyiformes "indet. LvD"¹ Grande 1982 MNA V10328 Ellimmichthyiformes "indet. U-7"¹ Grande 1982 MNA V10329–31
Ellimmichthyiformes -	Diplomystus sp.¹ Diplomystus sp.¹ Cope 1877 MNA V10327
Teleostei -	Euteleostei "indet. U-4"¹, Elopiformes indet.¹ Euteleostei "indet. U-4"¹ Rosen 1973 MNA V19135 Elopiformes indet.¹ Sauvage 1875 MNA V10321, 10325-6
Albuliformes - Albulidae	Coriops sp.¹ Coriops sp.¹ Estes 1969 bonefish MNA V10306-7
Lepisosteiformes -	Lepidotes sp.¹ Lepidotes sp.¹ Agassiz 1832 gar MNA V10308–14
Amiiformes - Amiidae	Amiidae "indet. AWSS"¹, Amiinae indet.¹ Amiidae "indet. AWSS"¹ Huxley 1861 bowfin MNA V10332-3 Amiinae indet.¹ Bonaparte 1837 bowfin MNA V10322-3
Osteichthyes
Dipnoi - Ceratodontidae	Ceratodus molossus⁶, Ceratodus gustasoni¹ Ceratodus molossus⁶ Frederickson and Cifelli 2017 lungfish MNA.V.10649 Ceratodus gustasoni¹ Kirkland 1987 lungfish MNA V10380
Reptilia
Loricata -	Mesoeucrocodylia indet.⁹ Mesoeucrocodylia indet.⁹ Whetstone and Whybrow 1983 crocodilian MNA V10404, 10405
Squamata -	cf. Scincoidea "indet. Dakota morphotype C"¹¹, Dakotasaurus gillettorum n. gen. n. sp.¹¹, Webbsaurus lofgreni n. gen. n. sp.¹¹, Scincomorpha "indet. Dakota morphotype D"¹¹, ? Scincomorpha indet.¹¹ cf. Scincoidea "indet. Dakota morphotype C"¹¹ squamates MNA V10033, dentary fragment Dakotasaurus gillettorum n. gen. n. sp.¹¹ Nydam 2013 squamates MNA V9110 (holotype), partial right mandible; V10374, partial left mandible Webbsaurus lofgreni n. gen. n. sp.¹¹ Nydam 2013 squamates MNA V9083 (holotype), mostly complete left dentary Scincomorpha "indet. Dakota morphotype D"¹¹ Camp 1923 squamates MNA V10031, jaw fragment ? Scincomorpha indet.¹¹ Camp 1923 squamates MNA V10037, osteoderm
Squamata - Polyglyphanodontidae	Bicuspidon smikros¹¹ Bicuspidon smikros¹¹ Nydam 2013 squamates MNA V9086, V10002, V10029
Squamata - Contogeniidae	Utahgenys sp.¹² Utahgenys sp.¹² Nydam and Fitzpatrick 2009 squamates MNA V9113
Squamata -	Anguimorpha indet.¹¹, Platynota "indet. Dakota morphotype E"¹¹, Cnodontosaurus suchockii n. gen. n. sp.¹¹, Coniophis sp.¹¹ Anguimorpha indet.¹¹ squamates MNA V10038, osteoderm Platynota "indet. Dakota morphotype E"¹¹ squamates MNA V9086, anterior portion of left dentary Cnodontosaurus suchockii n. gen. n. sp.¹¹ Nydam 2013 squamates MNA V9084 (holotype), right dentary; V10373, broken left maxilla Coniophis sp.¹¹ Marsh 1892 snake MNA V9102, thoracic vertebra missing the condyle
Mammalia
Allotheria -	Multituberculata "indet."⁴, Multituberculata "indet. B"⁴ Multituberculata "indet."⁴ Cope 1884 multituberculate Multituberculata "indet. B"⁴ Cope 1884 multituberculate
Multituberculata - Cimolodontidae	Cimolodontidae indet.⁴, Cimolodon cf. similis⁴ Cimolodontidae indet.⁴ Marsh 1889 multituberculate Cimolodon cf. similis⁴ Fox 1971 multituberculate
Multituberculata -	Bryceomys sp.⁵, Paracimexomys sp.⁴, Paracimexomys cf. robisoni⁴, ? Dakotamys sp.⁴, Dakotamys malcolmi n. sp.⁴ Bryceomys sp.⁵ Eaton 1995 multituberculate one specimen of "Paracimexomys cf. robinsoni" Paracimexomys sp.⁴ Archibald 1982 multituberculate Paracimexomys sp. [Eaton 1995] Paracimexomys cf. robisoni⁴ Eaton and Nelson 1991 multituberculate ? Dakotamys sp.⁴ Eaton 1995 multituberculate Dakotamys malcolmi n. sp.⁴ Eaton 1995 multituberculate
Theriamorpha -	Theria indet.³ Theria indet.³ Parker and Haswell 1897 mammal four indeterminate forms, MNA V6245, V6136, V6246, V6467
Theriamorpha - Stagodontidae	Pariadens kirklandi³ Pariadens kirklandi³ Cifelli and Eaton 1987 metatherian MNA V5353, V5373, V5383, V5833-34, V5836-41, V5850, V6019, V6024, V6058, V6090, V6092-93, V6388, V6341
Theriamorpha - Alphadontidae	Alphadontidae indet.³, Alphadon sp., Varalphadon janetae n. sp.², "Alphadon lillegraveni n. sp." = Eoalphadon lillegraveni³, "Alphadon clemensi n. sp." = Eoalphadon clemensi³ Alphadontidae indet.³ Marshall et al. 1990 metatherian MNA V6312 Alphadon sp. Simpson 1927 metatherian MNA V6029, V6239, V6376, V6492, V6790 Varalphadon janetae n. sp.² Carneiro 2018 metatherian "Alphadon lillegraveni n. sp." = Eoalphadon lillegraveni³ Eaton 1993 metatherian MNA V5835, V5364, V5370, V5372, V5375, V5833, V5835, V6052, V6317, V6393-94, V6882 "Alphadon clemensi n. sp." = Eoalphadon clemensi³ Eaton 1993 metatherian MNA V6338, V5352, V5829-31, V5855, V6034, V6039, V6051, V6097, V6244, V6316, V6321, V6325, V6463, V6791-92, V6878-79, V6881, V6883
Theriamorpha -	Dakotadens sp.³, Dakotadens morrowi n. gen. n. sp.³, Protalphadon sp.³ Dakotadens sp.³ Eaton 1993 metatherian MNA V5345, V6025 Dakotadens morrowi n. gen. n. sp.³ Eaton 1993 metatherian MNA V5825, V5354 Protalphadon sp.³ Cifelli 1990 metatherian MNA V5855, V6299, V6387
Amphibia
Caudata - Urodela	Urodela indet.⁸, Scapherpetontidae indet.⁸ Urodela indet.⁸ salamander MNA V9095, 10238-39, 10368-70; UMNH VP 13013; OMNH 67078-79 Scapherpetontidae indet.⁸ Auffenberg and Goin 1959 salamander MNA V10360–65, 10233–36; UMNH VP 13080, 13093, 13105, 13112
Proteida - Batrachosauroididae	Batrachosauroididae "indet. A"⁸ Batrachosauroididae "indet. A"⁸ Auffenberg 1958 salamander MNA V10237, 10367
Temnospondyli - Albanerpetontidae	Albanerpetontidae indet.⁷, "cf. Albanerpeton nexuosum" = Albanerpeton nexuosus⁷ Albanerpetontidae indet.⁷ Fox and Naylor 1982 tetrapod "cf. Albanerpeton nexuosum" = Albanerpeton nexuosus⁷ Estes 1981 tetrapod
Chondrichthyes
Batoidea -	Cristomylus bulldogensis n. sp.¹⁰ Cristomylus bulldogensis n. sp.¹⁰ Kirkland et al. 2013 ray MNA V10139, 10147-8, 10186, 10188-95
Hybodontiformes - Lonchidiidae	Lonchidion sp.¹⁰ Lonchidion sp.¹⁰ Estes 1964 elasmobranch MNA.V.10284-85, 10287–301, 10381-83
Hybodontiformes - Hybodontidae	Hybodus sp.¹⁰ Hybodus sp.¹⁰ Agassiz 1834 elasmobranch MNA.V.10302–10304, 10388 (plus many more specimens)

¹Brinkman et al. 2013; ²Carneiro 2018; ³Eaton 1993; ⁴Eaton 1995; ⁵Eaton and Cifelli 2001; ⁶Frederickson and Cifelli 2017; ⁷Gardner and DeMar 2013; ⁸Gardner et al. 2013; ⁹Irmis et al. 2013; ¹⁰Kirkland et al. 2013; ¹¹Nydam 2013; ¹²Nydam and Fitzpatrick 2009