Elk Creek (390 m) (Eocene of the United States)
Also known as USGS D-2035 (Dorsey Quarry); YPM 80, 421; USNM D2035Q
Where: Big Horn County, Wyoming (44.5° N, 108.0° W: paleocoordinates 49.2° N, 90.8° W)
• coordinate based on political unit
When: Willwood Formation, Wasatchian (55.8 - 50.3 Ma)
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Primary reference: 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]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 15534: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Terri Cleary
Creative Commons license: CC BY (attribution)
Taxonomic list
• Dorsey Quarry placed at 397 m level by Bloch et al. 1998
Show authors, comments, and common names
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Paramys cf. excavatus Loomis 1907 rodent | |
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Picromomys petersonorum n. sp.8
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Esthonyx bisulcatus Cope 1874 tillodont | |
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Didelphodus absarokae Cope 1881 eutherian
Prodiacodon tauricinerei Jepsen 1930 eutherian | |
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| Reptilia | |
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Scincoideus sp.9 Folie et al. 2005 squamates 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).
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Palaeoxantusia sp.9 Hecht 1956 night lizard 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).
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Entomophontes incrustatus10 Smith and Gauthier 2013 squamates 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 hutchisoni n. sp.10 Smith and Gauthier 2013 squamates USNM 527961 (holotype), left dentary; Paratypes: USNM 527822 (jaw fragment), 527874 (jaw fragment).
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Gerrhonotinae indet.9 Cope 1864 squamates USNM 527863 (jaw fragment), 527865 (jaw fragment; Text-fig. 8), 527867 (left maxilla fragment), 527873 (left dentary fragment).
Glyptosaurus rhodinos n. sp.9 Smith 2011 squamates USNM 527814 (holotype), partial parietal; Paratype: USNM 527978 (partial right maxilla)
Proxestops sp.9 Gauthier 1982 squamates 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).
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cf. Saniwa sp.9 Leidy 1870 squamates USNM 527911 (right maxilla fragment; Text-fig. 14A, B), 527912 (left dentary fragment; Text-fig. 14C), 527976 (left dentary fragment; Text-fig. 14D).
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Paranolis delicatus n. gen. n. sp.9 Smith 2011 squamates USNM 527969 (holotype), left dentary; Referred specimen: USNM 527944 (partial left jugal; Textfig. 5A). "This specimen is not in the syntype."
Suzanniwana sp.9 Smith 2009 squamates 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).
Anolbanolis geminus n. sp.9 Smith 2011 squamates 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).
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