PBDB Collection

MNA 1067, Bulldog Bench: Middle Cenomanian - Late/Upper Cenomanian, Utah

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Chondrichthyes - Hybodontiformes - Lonchidiidae

	Lonchidion sp. Estes 1964	Kirkland et al. 2013	15 specimens
	MNA.V.10284-85, 10287–301, 10381-83
Chondrichthyes - Hybodontiformes - Hybodontidae

	Hybodus sp. Agassiz 1834	Kirkland et al. 2013
	MNA.V.10302–10304, 10388 (plus many more specimens)
Chondrichthyes

	Cristomylus bulldogensis n. sp. Kirkland et al. 2013	Kirkland et al. 2013	12 specimens
	MNA V10139, 10147-8, 10186, 10188-95
Actinopteri - Amiiformes - Amiidae

	Amiidae informal indet. AWSS Huxley 1861	Brinkman et al. 2013	2 specimens
	MNA V10332-3

	Amiinae indet. Bonaparte 1837	Brinkman et al. 2013	2 specimens
	MNA V10322-3
Actinopteri - Lepisosteiformes

	Lepidotes sp. Agassiz 1832	Brinkman et al. 2013	7 specimens
	MNA V10308–14
Actinopteri

	Teleostei informal indet. O (Müller 1846)	Brinkman et al. 2013	1 specimen
	MNA V10324

	Euteleostei informal indet. U-4 Rosen 1973	Brinkman et al. 2013	1 specimen
	MNA V19135
Actinopteri - Ellimmichthyiformes

	Ellimmichthyiformes informal indet. LvD Grande 1982	Brinkman et al. 2013	2 specimens
	MNA V10328

	Ellimmichthyiformes informal indet. U-7 Grande 1982	Brinkman et al. 2013	3 specimens
	MNA V10329–31

	Diplomystus sp. Cope 1877	Brinkman et al. 2013	2 specimens
	MNA V10327
Actinopteri - Hiodontiformes - Hiodontidae

	Hiodontidae indet.	Brinkman et al. 2013	1 specimen
Actinopteri - Elopiformes

	Elopiformes indet. Sauvage 1875	Brinkman et al. 2013	3 specimens
	MNA V10321, 10325-6
Actinopteri - Albuliformes - Albulidae

	Coriops sp. Estes 1969	Brinkman et al. 2013	2 specimens
	MNA V10306-7
Actinopteri - Pycnodontiformes - Pycnodontidae

	Coelodus sp. Haeckel	Brinkman et al. 2013	6 specimens
	MNA V10315–20
Amphibia - Temnospondyli - Albanerpetontidae

	Albanerpetontidae indet. Fox and Naylor 1982	Gardner and DeMar 2013

	cf. Albanerpeton nexuosum (Estes 1981)	Gardner and DeMar 2013
	original and current combination Albanerpeton nexuosus
Amphibia - Temnospondyli - Urodela

	Urodela indet. (Duméril 1805)	Gardner et al. 2013	9 specimens
	MNA V9095, 10238-39, 10368-70; UMNH VP 13013; OMNH 67078-79

	Scapherpetontidae indet. (Auffenberg and Goin 1959)	Gardner et al. 2013	14 specimens
	MNA V10360–65, 10233–36; UMNH VP 13080, 13093, 13105, 13112
Amphibia - Temnospondyli - Batrachosauroididae

	Batrachosauroididae informal indet. A Auffenberg 1958	Gardner et al. 2013	2 specimens
	MNA V10237, 10367
Reptilia

	Anguimorpha indet. Fürbringer 1900	Nydam 2013	1 specimen
	MNA V10038, osteoderm

	Cnodontosaurus suchockii n. gen., n. sp. Nydam 2013	Nydam 2013	2 specimens
	MNA V9084 (holotype), right dentary; V10373, broken left maxilla

	Platynota informal indet. Dakota morphotype E (Baur 1890)	Nydam 2013	1 specimen
	MNA V9086, anterior portion of left dentary

	Scincomorpha informal indet. Dakota morphotype D (Camp 1923)	Nydam 2013	1 specimen
	MNA V10031, jaw fragment

	? Scincomorpha indet. Camp 1923	Nydam 2013	1 specimen
	MNA V10037, osteoderm
Reptilia - Contogeniidae

	Utahgenys sp. Nydam and Fitzpatrick 2009	Nydam and Fitzpatrick 2009	1 specimen
	MNA V9113
Reptilia - Polyglyphanodontidae

	Bicuspidon smikros Nydam 2013	Nydam 2013	3 specimens
	MNA V9086, V10002, V10029
Reptilia

	Coniophis sp. Marsh 1892	Nydam 2013	1 specimen
	nomen dubium belonging to Serpentes
	MNA V9102, thoracic vertebra missing the condyle

	cf. Scincoidea informal indet. Dakota morphotype C (Oppel 1811)	Nydam 2013	1 specimen
	MNA V10033, dentary fragment

	Webbsaurus lofgreni n. gen., n. sp. Nydam 2013	Nydam 2013	1 specimen
	MNA V9083 (holotype), mostly complete left dentary

	Dakotasaurus gillettorum n. gen., n. sp. Nydam 2013	Nydam 2013	2 specimens
	MNA V9110 (holotype), partial right mandible; V10374, partial left mandible

	Mesoeucrocodylia indet. Whetstone and Whybrow 1983	Irmis et al. 2013	2 specimens
	MNA V10404, 10405
Mammalia

	Theria indet. Parker and Haswell 1897	Eaton 1993	4 specimens
	four indeterminate forms, MNA V6245, V6136, V6246, V6467

	Dakotadens sp. Eaton 1993	Eaton 1993	2 specimens
	MNA V5345, V6025

	Dakotadens morrowi n. gen., n. sp. Eaton 1993	Eaton 1993	2 specimens
	MNA V5825, V5354
Mammalia - Alphadontidae

	Alphadontidae indet. Marshall et al. 1990	Eaton 1993	1 specimen
	MNA V6312

	Alphadon sp. Simpson 1927		5 specimens
	MNA V6029, V6239, V6376, V6492, V6790

	Alphadon clemensi n. sp. Eaton 1993	Eaton 1993	21 specimens
	recombined as Eoalphadon clemensi
	MNA V6338, V5352, V5829-31, V5855, V6034, V6039, V6051, V6097, V6244, V6316, V6321, V6325, V6463, V6791-92, V6878-79, V6881, V6883

	Alphadon lillegraveni n. sp. Eaton 1993	Eaton 1993	12 specimens
	recombined as Eoalphadon lillegraveni
	MNA V5835, V5364, V5370, V5372, V5375, V5833, V5835, V6052, V6317, V6393-94, V6882

	Varalphadon janetae n. sp. Carneiro 2018	Carneiro 2018	1 specimen
Mammalia - Stagodontidae

	Pariadens kirklandi Cifelli and Eaton 1987	Eaton 1993	20 specimens
	MNA V5353, V5373, V5383, V5833-34, V5836-41, V5850, V6019, V6024, V6058, V6090, V6092-93, V6388, V6341
Mammalia

	Protalphadon sp. Cifelli 1990	Eaton 1993	3 specimens
	MNA V5855, V6299, V6387
Mammalia - Multituberculata

	Multituberculata informal indet. Cope 1884	Eaton 1995

	Multituberculata informal indet. B Cope 1884	Eaton 1995

	? Dakotamys sp. Eaton 1995	Eaton 1995

	Dakotamys malcolmi n. sp. Eaton 1995	Eaton 1995

	Paracimexomys sp. Archibald 1982	Eaton 1995
	Paracimexomys sp. [Eaton 1995]

	Paracimexomys sp. Archibald 1982
	= Paracimexomys cf. robisoni Eaton and Nelson 1991	Eaton 1995

	Bryceomys sp. Eaton 1995	Eaton and Cifelli 2001
	one specimen of "Paracimexomys cf. robinsoni"
Mammalia - Multituberculata - Cimolodontidae

	Cimolodontidae indet. Marsh 1889	Eaton 1995

	Cimolodon electus Fox 1971
	= Cimolodon cf. similis Fox 1971	Eaton 1995
Dipnoi - Ceratodontidae

	Ceratodus molossus Frederickson and Cifelli 2017	Frederickson and Cifelli 2017	1 specimen
	MNA.V.10649

	Ceratodus gustasoni Kirkland 1987	Brinkman et al. 2013	1 specimen
	MNA V10380
see common names

Geography

Country:	United States	State/province:	Utah	County:	Garfield
Coordinates:	37.8° North, 111.5° West (view map)
Paleocoordinates:	39.2° North, 74.0° West
Basis of coordinate:	based on political unit
Geographic resolution:	small collection

Time

Period:	Cretaceous	Epoch:	Late/Upper Cretaceous
Stage:	Cenomanian	10 m.y. bin:	Cretaceous 5
Key time interval:	Middle Cenomanian - Late/Upper Cenomanian
Age range of interval:	100.50000 - 93.90000 m.y. ago

Stratigraphy

Formation:	Naturita
Local section:	Kaiparowits	Local bed:	3
Local order:	bottom to top
Stratigraphic resolution:	bed
Stratigraphy comments: said to be Cenomanian, middle part of "Dakota Fm." = Naturita

Lithology and environment

Primary lithology:	mudstone
Includes fossils?	Y
Environment:	crevasse splay
Geology comments: "overbank deposit immediately adjacent to a meandering river levee"

Taphonomy

Modes of preservation:	body
Size of fossils:	mesofossils
Disassociated major elements:	many

Collection methods and comments

Collection methods:	bulk,sieve,field collection
Reason for describing collection:	taxonomic analysis
Taxonomic list comments:in the upper 10 - 20 m of the middle mbr. see also Eaton 1993c, Eaton et al. 1999

Metadata

Also known as:	UMNH VP Loc. 27; OMNH V808
Database number:	14385
Authorizer:	J. Alroy, P. Holroyd, M. Carrano, P. Barrett	Enterer:	J. Alroy, T. Cleary, M. Carrano, P. Holroyd
Modifier:	M. Carrano	Research group:	vertebrate
Created:	1998-09-21 00:00:00	Last modified:	2023-08-21 13:30:45
Access level:	the public	Released:	1998-09-21 00:00:00
Creative Commons license:	CC BY

Reference information

Primary reference:

1412.

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]

Secondary references:

83841		D. B. Brinkman, M. G. Newbrey, A. G. Neuman and J. G. Eaton. 2013. Freshwater Osteichthyes from the Cenomanian to late Campanian of Grand Staircase-Escalante National Monument, Utah. In A. L. Titus & M. A. Loewen (ed.), At the Top of the Grand Staircase: The Late Cretaceous of Southern Utah 195-236 [M. Carrano/M. Carrano/M. Carrano]
64003		L. M. Carneiro. 2018. A new species of Varalphadon (Mammalia, Metatheria, Sparassodonta) from the upper Cenomanian of southern Utah, North America: Phylogenetic and biogeographic insights. Cretaceous Research 84:88-96 [P. Holroyd/P. Holroyd/P. Mannion]
1407		J. G. Eaton. 1993. Therian mammals from the Cenomanian (Upper Cretaceous) Dakota Formation, southwestern Utah. Journal of Vertebrate Paleontology 13(1):105-124 [J. Alroy/J. Alroy/M. Carrano]
1409		J. G. Eaton. 1995. Cenomanian and Turonian (Early Late Cretaceous) multituberculate mammals from southwestern Utah. Journal of Vertebrate Paleontology 15(4):761-784 [J. Alroy/J. Alroy/M. Carrano]
6099		J. G. Eaton and R. L. Cifelli. 2001. Multituberculate mammals from near the Early-Late Cretaceous boundary, Cedar Mountain Formation, Utah. Acta Palaeontologica Polonica 46(4):453-518 [J. Alroy/J. Alroy/M. Carrano]
83588		J. A. Frederickson and R. L. Cifelli. 2017. New Cretaceous lungfishes (Dipnoi, Ceratodontidae) from western North America. Journal of Paleontology 91(1):146-161 [M. Carrano/M. Carrano]
65027		J. D. Gardner and D. G. DeMar. 2013. Mesozoic and Palaeocene lissamphibian assemblages of North America: a comprehensive review. Palaeobiodiversity and Palaeoenvironments 93:459-515 [P. Holroyd/P. Holroyd/M. Carrano]
83843		J. D. Gardner, J. G. Eaton, and R. L. Cifelli. 2013. Preliminary report on salamanders (Lissamphibia; Caudata) from the Late Cretaceous (late Cenomanian–late Campanian of southern Utah, U.S.A. In A. L. Titus & M. A. Loewen (ed.), At the Top of the Grand Staircase: The Late Cretaceous of Southern Utah 237-272 [M. Carrano/M. Carrano/M. Carrano]
85699		R. B. Irmis, J. H. Hutchison, J. J. W. Sertich and A. L. Titus. 2013. Crocodyliforms from the Late Cretaceous of Grnd Staircase-Escalante National Monument and vicinity, southern Utah, U.S.A. In A. L. Titus & M. A. Loewen (ed.), At the Top of the Grand Staircase: The Late Cretaceous of Southern Utah 424-444 [M. Carrano/M. Carrano]
67598		J. I. Kirkland, J. G. Brinkman, and D. B. Brinkman. 2013. Elasmobranchs from Upper Cretaceous freshwater facies in southern Utah. In A. L. Titus & M. A. Loewen (ed.), At the Top of the Grand Staircase: The Late Cretaceous of Southern Utah 153-194 [G. Liggett/G. Liggett/M. Carrano]
60263		R. L. Nydam. 2013. Lizards and snakes from the Cenomanian through Campanian of southern Utah: filling the gap in the fossil record of Squamata from the Late Cretaceous of the Western Interior of North America. In A. L. Titus & M. A. Loewen (ed.), At the Top of the Grand Staircase: The Late Cretaceous of Southern Utah 370-423 [P. Barrett/T. Cleary/M. Carrano]
60264		R. L. Nydam. 2014. Dakotaseps gen. nov., a replacement name for the lizard genus Dakotasaurus Nydam 2013, a junior homonym of the ichnotaxon Dakotasaurus Branson and Mehl 1932. Zootaxa 3900(1):150 [P. Barrett/T. Cleary]
31563	ETE	R. L. Nydam and B. M. Fitzpatrick. 2009. The occurrence of Contogenys-like lizards in the Late Cretaceous and Early Tertiary of the Western Interior of the U.S.A. Journal of Vertebrate Paleontology 29(3):677-701 [M. Carrano/M. Carrano/P. Mannion]
61882		A. L. Titus, J. G. Eaton, and J. J. W. Sertich. 2016. Late Cretaceous stratigraphy and vertebrate faunas of the Markagunt, Paunsaugunt, and Kaiparowits plateaus, southern Utah. Geology of the Intermountain West 3:229-291 [M. Carrano/M. Carrano]