Reculusa Blowout (Eocene of the United States)

Also known as UCM 81002

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

• coordinate based on political unit

• small collection-level geographic resolution

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

Environment/lithology: terrestrial

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

PaleoDB collection 16055: authorized by John Alroy, entered by John Alroy on 05.01.1995, edited by Terri Cleary and Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• 305 m level in Robinson and Ivy 1994 section
Reptilia
 Squamata - Anguidae
Glyptosaurinae indet.14 Marsh 1872 squamates
AMNH 3783, dentary fragment and osteoderm
Mammalia
 Primates - Microsyopidae
Arctodontomys wilsoni1 Szalay 1969 primate
 Primates - Omomyidae
Tetonius sp.1 Matthew 1915 tarsier
 Primates - Notharctidae
Cantius mckennai7 Gingerich and Simons 1977 primate
 Primates - Paromomyidae
Phenacolemur sp.12 Matthew 1915 primate
Ignacius graybullianus12 Bown and Rose 1976 primate
 Primates - Micromomyidae
Tinimomys graybulliensis11 Szalay 1974 primate
new UCM specimen
 Cimolesta - Coryphodontidae
Coryphodon sp. Owen 1845 pantodont
 Cimolesta - Pantolestidae
Pantolestidae indet.1 Cope 1884 eutherian
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
small and medium sized species
 Lipotyphla - Erinaceidae
Leipsanolestes siegfriedti8 Simpson 1928 hedgehog
 Perissodactyla -
Homogalax protapirinus Wortman 1896 odd-toed ungulate
 Perissodactyla - Equidae
"Arenahippus cf. grangeri" = Sifrhippus grangeri3
"Arenahippus cf. grangeri" = Sifrhippus grangeri3 Gingerich 1989 horse
 Ferae - Viverravidae
Didymictis sp.1 Cope 1875 placental
 Macroscelidea - Apheliscidae
Haplomylus bozemanensis13 Robinson and Williams 1997 elephant shrew
Haplomylus speirianus Cope 1880 elephant shrew
confirmed by Robinson and Williams 1997
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 primus10 Krishtalka and Stucky 1985 even-toed ungulate
 Ungulata - Phenacodontidae
Ectocion osbornianus Cope 1882 condylarth
Copecion brachypternus1 Cope 1882 condylarth
Phenacodus sp.1 Cope 1873 condylarth
Phenacodus vortmani Cope 1880 condylarth
 Hyaenodonta -
Prolimnocyon haematus5 Gingerich and Deutsch 1989 eutherian
 Hyaenodonta - Hyaenodontidae
Arfia zele5 Gingerich and Deutsch 1989 eutherian
 Hyaenodonta -
Didelphodus absarokae Cope 1881 eutherian
 Theriiformes - Peradectidae
Mimoperadectes sp.9 Bown and Rose 1979 metatherian