PBDB Collection

Elk Creek (390 m): Wasatchian, Wyoming

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Mammalia - Leptictidae

	Didelphodus absarokae (Cope 1881)

	Prodiacodon tauricinerei (Jepsen 1930)
Mammalia - Coryphodontidae

	Coryphodon sp. (Owen 1845)
	original and current combination Lophiodon (Coryphodon)
	"2"
Mammalia - Esthonychidae

	Esthonyx bisulcatus Cope 1874
Mammalia

	Ectoganus simplex (Cope 1874)
	= Ectoganus gliriformis Cope 1874	Alroy 2002
Mammalia - Phenacodontidae

	Phenacodus primaevus (Cope 1873)
	= Phenacodus sp. Cope 1873	Alroy 2002

	Phenacodus brachypternus Cope 1882
	= Copecion brachypternus Cope 1882	Alroy 2002
	described by Thewissen 1990: from YM-421
Mammalia - Diacodexeidae

	Diacodexis metsiacus (Cope 1882)
	= Diacodexis sp. Cope 1882	Alroy 2002

	Bunophorus etsagicus (Cope 1882)
	= Bunophorus grangeri Sinclair 1914	Stucky and Krishtalka 1990

	Diacodexis robustus Sinclair 1914
	= Bunophorus robustus Sinclair 1914	Alroy 2002
Mammalia - Viverravidae

	Didymictis protenus (Cope 1874)	Polly 1997
	YM-421; "D. curtidens/lysitensis"

	Viverravus acutus Matthew and Granger 1915	Polly 1997
	YM-421; "V. acutus/gracilis"
Mammalia

	Miacis exiguus Matthew and Granger 1915
	= Miacis petilus Gingerich 1983	Gingerich 1983
	from YPM 421

	Vulpavus australis Matthew and Granger 1915
	described by Gingerich 1983a: YPM 421
Mammalia - Creodonta - Hyaenodontidae

	Prototomus viverrinus Cope 1874	Gingerich and Deutsch 1989
	recombined as Sinopa viverrinus
	YPM 421; may = "P. sp. 1"

	Prototomus robustus (Matthew and Granger 1915)	Gingerich and Deutsch 1989
	YPM 421; may = "P. sp. 1"

	Tritemnodon strenua
	= Tritemnodon strenuus Cope 1875	Alroy 2002
Mammalia - Creodonta

	Prolimnocyon atavus Matthew and Granger 1915	Gingerich and Deutsch 1989
	YPM 421
Mammalia - Creodonta - Oxyaenidae

	Oxyaena forcipata Cope 1874	Gunnell and Gingerich 1991
	"O. intermedia/forcipata"
Mammalia - Geolabididae

	Batodonoides vanhouteni Bloch et al. 1998	Bloch et al. 1998
	USGS D-2035 DUPLICATE REF 1100 or 1101 (1 measurement)
Mammalia - Rodentia - Ischyromyidae

	Paramys cf. excavatus Loomis 1907
Mammalia - Primates - Picromomyidae

	Picromomys petersonorum n. sp. Rose and Bown 1996	Rose and Bown 1996
	from USGS D-2035, Big Horn Co. (1 measurement)
Mammalia - Primates - Omomyidae

	Tetonius sp. Matthew 1915	Bown and Rose 1987
	T. matthewi-ambiguus intergrade; Y-80
Mammalia - Primates - Paromomyidae

	Phenacolemur sp. Matthew 1915
	= Phenacolemurinae indet. Simpson 1955	Alroy 2002
	form "2"
Mammalia - Primates - Notharctidae

	Pelycodus sp. Cope 1875
	= Cantius sp. Simons 1962	Alroy 2002
	"mckennai/trigonodus"
Mammalia - Condylarthra - Hyopsodontidae

	Hyopsodus sp. Leidy 1870
	"loomisi/minor"
Reptilia - Iguanidae

	Paranolis delicatus n. gen., n. sp. Smith 2011	Smith 2011	2 specimens
	USNM 527969 (holotype), left dentary; Referred specimen: USNM 527944 (partial left jugal; Textfig. 5A). "This specimen is not in the syntype."

	Anolbanolis geminus n. sp. Smith 2011	Smith 2011	18 specimens
	USNM 527980 (holotype), partial right maxilla; Paratypes: USNM 527815 (partial left dentary; Text-fig. 4E), 527816 (left mandible fragment), 527828 (jaw fragment), ?527832 (left maxilla fragment), 527836 (portion of articulated right dentary and splenial; Text-fig. 4F), 527843 (jaw fragment), 527844 (right dentary fragment), 527849 (left dentary fragment), 527852 (jaw fragment), 527861, 527862 (left dentary fragments), 527870 (partial right dentary), 527941 (partial left postorbital; Text-fig. 4D), 527981 (partial right dentary), 527983 (partial right dentary). Referred specimens: 527876 (partial premaxilla; Text-fig. 4A), 527931 (partial left pterygoid; Text-fig. 4C).

	Suzanniwana sp. Smith 2009	Smith 2011	23 specimens
	USNM 527830 (jaw fragment), 527831 (maxilla fragment), ?527833 (jaw fragment), 527835 (fragment of articulated right dentary and splenial; Text-fig. 2H), 527837 (fragment of articulated right dentary and splenial; Text-fig. 2I), 527838 (partial left dentary; Text-fig. 2G), 527839 (partial left dentary), 527841, 527842 (left dentary fragments), 527845 (right dentary fragment; Text-fig. 2E), 527846 (left maxilla fragment), 527847 (right maxilla fragment; Text-fig. 2C), ?527848 (left dentary fragment), 527853, 527854 (jaw fragments), 527855 (left maxilla fragment), 527856 (right dentary fragment), ?527859, ?527860 (jaw fragments), 527877 (premaxilla fragment; Text-fig. 2A), 527967 (partial right dentary; Text-fig. 2D), 527974 (right maxilla; Text-fig. 2B), 527979 (partial left dentary; Text-fig. 2F).
Reptilia

	Anguimorpha informal sp. 2 Fürbringer 1900	Smith 2011	3 specimens
	USNM 527822, 527874 (jaw fragments), 527961 (left dentary).
Reptilia - Necrosauridae

	Provaranosaurus sp. Gilmore 1942	Smith 2011	1 specimen
	USNM 527970 (right dentary fragment).
Reptilia - Anguidae

	Gerrhonotinae indet. (Cope 1864)	Smith 2011	4 specimens
	USNM 527863 (jaw fragment), 527865 (jaw fragment; Text-fig. 8), 527867 (left maxilla fragment), 527873 (left dentary fragment).

	Glyptosaurinae indet. Marsh 1872	Smith 2011	1 specimen
	USNM 527977 (right dentary fragment)

	Glyptosaurus rhodinos n. sp. Smith 2011	Smith 2011	2 specimens
	USNM 527814 (holotype), partial parietal; Paratype: USNM 527978 (partial right maxilla)

	Proxestops sp. Gauthier 1982	Smith 2011	4 specimens
	USNM 527868 (right dentary fragment; Text-fig. 9B, 10B), 527869 (posterior jaw fragment; Text-fig. 10A), 527917 (left frontal fragment; Text-fig. 9A), 527975 (partial left dentary).
Reptilia

	cf. Saniwa sp. Leidy 1870	Smith 2011	3 specimens
	USNM 527911 (right maxilla fragment; Text-fig. 14A, B), 527912 (left dentary fragment; Text-fig. 14C), 527976 (left dentary fragment; Text-fig. 14D).

	Anguimorpha informal sp. 1 Fürbringer 1900	Smith 2011	7 specimens
	USNM 527817 (right maxilla fragment), 527819 (jaw fragment), 527820 (right dentary fragment), 527821 (right dentary fragment; Text-fig. 13), 527866 (left maxilla fragment), 527871 (left dentary fragment), 527872 (jaw fragment).
	= Entomophontes incrustatus Smith and Gauthier 2013	Smith and Gauthier 2013
	(same specimens as above)

	Entomophontes hutchisoni n. sp. Smith and Gauthier 2013	Smith and Gauthier 2013	3 specimens
	USNM 527961 (holotype), left dentary; Paratypes: USNM 527822 (jaw fragment), 527874 (jaw fragment).

	Scincoideus sp. Folie et al. 2005	Smith 2011	22 specimens
	USNM 527823 (right dentary fragment), 527824 (left maxilla fragment), 527825 (partial premaxilla; Text-fig. 7A), 527840 (left dentary fragment), 527889 (left maxilla fragment), ?527890 (left dentary fragment), 527891 (right dentary fragment), 527893 (right dentary fragment), 527894 (jaw fragment), 527895 (right dentary fragment), 527896, 527897 (right dentary fragment), 527898 (left dentary fragment), 527899 (right maxilla fragment; Text-fig. 7B), 527900 (left dentary fragment; Textfig. 7C), 527901–527905 (jaw fragments), 527906 (right maxilla fragment), 527907 (premaxilla fragment).
Reptilia - Xantusiidae

	Palaeoxantusia sp. Hecht 1956	Smith 2011	8 specimens
	USNM 527883 (left dentary fragment), 527884, 527885 (left maxilla fragments), 527886 (right maxilla fragment), 527887 (left maxilla fragment), 527956 (partial right dentary), 527960 (left maxilla; Text-fig. 6A), 527965 (right dentary; Textfig. 6B).
see common names

Geography

Country:	United States	State/province:	Wyoming	County:	Big Horn
Coordinates:	44.5° North, 108.0° West (view map)
Paleocoordinates:	49.2° North, 90.8° West
Basis of coordinate:	based on political unit

Time

Period:	Paleogene	Epoch:	Eocene
Stage:	Ypresian	10 m.y. bin:	Cenozoic 2
*Period:	Tertiary
Key time interval:	Wasatchian
Age range of interval:	54.90000 - 50.50000 m.y. ago
* legacy (obsolete) database fields

Stratigraphy

Formation:	Willwood
Local section:	ElkCr	Local bed:	390 m
Local order:	bottom to top

Lithology and environment

Primary lithology:	not reported
Environment:	terrestrial indet.

Taphonomy

Modes of preservation:	body
Size of fossils:	macrofossils,mesofossils

Collection methods and comments

Reason for describing collection:	biostratigraphic analysis
Taxonomic list comments:Dorsey Quarry placed at 397 m level by Bloch et al. 1998

Metadata

Also known as:	USGS D-2035 (Dorsey Quarry); YPM 80, 421; USNM D2035Q
Database number:	15534
Authorizer:	J. Alroy, P. Barrett	Enterer:	J. Alroy, T. Cleary
Modifier:	T. Cleary	Research group:	vertebrate
Created:	1993-02-18 00:00:00	Last modified:	2016-09-06 09:45:06
Access level:	the public	Released:	1993-02-18 00:00:00
Creative Commons license:	CC BY

Reference information

Primary reference:

3021.

D. M. Schankler. 1980. Faunal Zonation of the Willwood Formation in the Central Bighorn Basin, Wyoming. University of Michigan Papers on Paleontology 24:99-114 [J. Alroy/J. Alroy/M. Uhen]

Secondary references:

6294		J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
1100		J. I. Bloch, K. D. Rose, and P. D. Gingerich. 1998. New species of Batodonoides (Lipotyphla, Geolabididae) from the early Eocene of Wyoming: smallest known mammal?. Journal of Mammalogy 79(3):804-827 [J. Alroy/J. Alroy/J. Alroy]
1123		T. M. Bown and K. D. Rose. 1987. Patterns of Dental Evolution in Early Eocene Anaptomorphine Primates (Omomyidae) from the Bighorn Basin, Wyoming. Paleontological Society Memoir 23:1-162 [J. Alroy/J. Alroy/J. Ju]
1650		P. D. Gingerich. 1983. Paleocene-Eocene faunal zones and a preliminary analysis of Laramide structural deformation in the Clarks Fork Basin, Wyoming. Wyoming Geological Association Guidebook 34:185-195 [J. Alroy/J. Alroy/M. Uhen]
1666		P. D. Gingerich and H. A. Deutsch. 1989. Systematics and Evolution of Early Eocene Hyaenodontidae (Mammalia, Creodonta) in the Clarks Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 27(13):327-391 [J. Alroy/J. Alroy/J. Marcot]
1745		G. F. Gunnell and P. D. Gingerich. 1991. Systematics and Evolution of Late Paleocene and Early Eocene Oxyaenidae (Mammalia, Creodonta) in the Clarks Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 28(7):141-180 [J. Alroy/J. Alroy/J. Marcot]
2787		P. D. Polly. 1997. Ancestry and Species Definition in Paleontology: A Stratocladistic Analysis of Paleocene-Eocene Viverravidae (Mammalia, Carnivora) from Wyoming. Contributions from the Museum of Paleontology, University of Michigan 30(1):1-53 [J. Alroy/J. Alroy/M. Uhen]
2966		K. D. Rose and T. M. Bown. 1996. A new plesiadapiform (Mammalia: Plesiadapiformes) from the early Eocene of the Bighorn Basin, Wyoming. Annals of Carnegie Museum 65(3):305-321 [J. Alroy/J. Alroy/M. Uhen]
60297		K. T. Smith. 2011. The long-term history of dispersal among lizards in the early Eocene: new evidence from a microvertebrate assemblage in the Bighorn Basin of Wyoming, USA. Palaeontology 54(6):1243-1270 [P. Barrett/T. Cleary]
60296		K. T. Smith and J. A. Gauthier. 2013. Early Eocene lizards of the Wasatch Formation near Bitter Creek, Wyoming: diversity and paleoenvironment during an interval of global warming. Bulletin of the Peabody Museum of Natural History 54(2):135-230 [P. Barrett/T. Cleary]
3335		R. K. Stucky and L. Krishtalka. 1990. Revision of the Wind River Faunas, Early Eocene of Central Wyoming. Part 10. Bunophorus (Mammalia, Artiodactyla). Annals of Carnegie Museum 59(2):149-171 [J. Alroy/J. Alroy/J. Marcot]