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

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