PBDB Collection

Dry Well (Eocene of the United States)

Also known as Drywell

Where: Johnson County, Wyoming (44.0° N, 106.6° W: paleocoordinates 48.5° N, 89.4° W)

• coordinate based on political unit

When: "Wasatch" Formation, Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: E. Delson. 1971. Fossil mammals of the early Wasatchian Powder River local fauna, Eocene of northeast. Bulletin of the American Museum of Natural History 146(4) [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 15932: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Terri Cleary and Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Reptilia
Squamata - Anguidae	Glyptosaurinae indet.¹⁰ Glyptosaurinae indet.¹⁰ Marsh 1872 squamates AMNH 3793, two dentary fragments
Mammalia
Cimolesta - Esthonychidae	Esthonyx spatularius⁶ Esthonyx spatularius⁶ Cope 1880 tillodont
Macroscelidea - Apheliscidae	Haplomylus speirianus, Apheliscus sp.⁴ Haplomylus speirianus Cope 1880 elephant shrew Apheliscus sp.⁴ Cope 1875 elephant shrew
Condylarthra - Hyopsodontidae	Hyopsodus sp.¹ Hyopsodus sp.¹ Leidy 1870 condylarth
Primates - Paromomyidae	Phenacolemurinae indet.¹ Phenacolemurinae indet.¹ Simpson 1955 primate
Primates - Microsyopidae	Arctodontomys wilsoni¹ Arctodontomys wilsoni¹ Szalay 1969 primate
Primates - Notharctidae	Cantius mckennai⁷ Cantius mckennai⁷ Gingerich and Simons 1977 primate
Rodentia - Ischyromyidae	? Paramys sp. ? Paramys sp. Leidy 1871 rodent small
Creodonta -	Prolimnocyon haematus⁵ Prolimnocyon haematus⁵ Gingerich and Deutsch 1989 creodont
Creodonta - Hyaenodontidae	Arfia zele⁵ Arfia zele⁵ Gingerich and Deutsch 1989 creodont
Tribosphenida - Phenacodontidae	Phenacodus sp.¹¹, Copecion brachypternus¹, Ectocion osbornianus Phenacodus sp.¹¹ Cope 1873 condylarth p. 61R: "P. primaevus" Copecion brachypternus¹ Cope 1882 condylarth Ectocion osbornianus Cope 1882 condylarth
Perissodactyla - Equidae	"Arenahippus cf. grangeri" = Sifrhippus grangeri³ "Arenahippus cf. grangeri" = Sifrhippus grangeri³ Gingerich 1989 horse
Artiodactyla - Diacodexeidae	Diacodexis primus⁹ Diacodexis primus⁹ Krishtalka and Stucky 1985 even-toed ungulate
Tribosphenida - Pantolestoidae	Palaeosinopa sp.², Palaeosinopa cf. lutreola Palaeosinopa sp.² Matthew 1901 placental Palaeosinopa cf. lutreola Matthew 1918 placental
Leptictida - Leptictidae	Prodiacodon tauricinerei¹ Prodiacodon tauricinerei¹ Jepsen 1930 eutherian
Multituberculata - Neoplagiaulacidae	Parectypodus lunatus⁸ Parectypodus lunatus⁸ Krause 1982 multituberculate "P. sp. A" of Van Valen & Sloan 1966; "P. childei" of Sloan 1981

¹Alroy 2002; ²Bown and Schankler 1982; ³Froehlich 2002; ⁴Gingerich 1994; ⁵Gingerich and Deutsch 1989; ⁶Gingerich and Gunnell 1979; ⁷Gingerich and Simons 1977; ⁸Krause 1982; ⁹Krishtalka and Stucky 1985; ¹⁰Sullivan 1979; ¹¹Thewissen 1990