Holly's Microsite (Paleocene of the United States)

Also known as SC-188

Where: Park County, Wyoming (44.3° N, 109.0° W: paleocoordinates 49.7° N, 90.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Clarkforkian (56.8 - 55.8 Ma)

Environment/lithology: terrestrial

Reposited in the UMMP

Primary reference: D. W. Krause. 1986. Contributions to Geology, University of Wyoming Special Paper 3 [J. Alroy/J. Alroy]more details

PaleoDB collection 15085: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Will Clyde and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• meter level said to be 1280 m by Gunnell and Gingerich 1991 and appears to be 1260 m in fig. 3
Reptilia
 Testudines - Panemydidae
Emydidae "indet. A"2 Rafinesque 1815 turtle
 Squamata -
Restes rugosus2 Gauthier 1982 squamates
 Squamata - Anguidae
Machaerosaurus torrejonensis2 Gilmore 1928 squamates
Mammalia
 Primates - Microsyopidae
Niptomomys doreenae McKenna 1960 primate
 Primates - Plesiadapidae
Plesiadapis cookei Jepsen 1930 primate
 Primates - Carpolestidae
Carpolestes simpsoni3 Bloch and Gingerich 1998 primate
 Primates - Paromomyidae
Dillerlemur pagei1 Jepsen 1930 primate
Phenacolemur cf. simonsi8 Bown and Rose 1976 primate
Phenacolemur cf. praecox8 Matthew 1915 primate
Ignacius graybullianus Bown and Rose 1976 primate
 Primates - Micromomyidae
Tinimomys graybulliensis Szalay 1974 primate
 Cimolesta - Coryphodontidae
Coryphodon sp. Owen 1845 pantodont
 Cimolesta - Palaeoryctidae
Palaeoryctes punctatus Van Valen 1966 eutherian
 Leptictida - Leptictidae
cf. Prodiacodon tauricinerei Jepsen 1930 eutherian
 Dermoptera -
Worlandia inusitata n. sp. Bown and Rose 1979 colugo
see Bown and Rose 1979
 Rodentia - Reithroparamyidae
Reithroparamys sp.5 Matthew 1920 rodent
 Rodentia - Ischyromyidae
Microparamys cf. minutus8 Wilson 1937 rodent
Microparamys cheradius5 Ivy 1990 rodent
Paramys taurus8 Korth 1984 rodent
Acritoparamys atwateri8 Loomis 1907 rodent
 Rodentia - Paramyidae
Paramyidae indet.5 Miller and Gidley 1918 rodent
 Lipotyphla - Erinaceidae
Leipsanolestes cf. siegfriedti8 Simpson 1928 hedgehog
 Tribosphenida - Nyctitheriidae
cf. Plagioctenodon krausae, "Leptacodon rosei n. sp." = Plagioctenodon rosei4
cf. Plagioctenodon krausae Bown 1979 placental
"Leptacodon rosei n. sp." = Plagioctenodon rosei4 Gingerich 1987 placental
 Creodonta - Oxyaenidae
cf. Tytthaena sp.8 Gingerich 1980 creodont
 Ferae - Viverravidae
Didymictis proteus7 Polly 1997 placental
Viverravus cf. laytoni8 Gingerich and Winkler 1985 placental
 Ferae -
Uintacyon rudis Rose 1981 placental
 Macroscelidea - Apheliscidae
Haplomylus simpsoni Rose 1981 elephant shrew
 Macroscelidea -
Adunator cf. minutus8 Jepsen 1930 elephant shrew
 Trogontia -
Azygonyx ancylion8 Gingerich and Gunnell 1979 tillodont
 Tribosphenida - Arctocyonidae
Arctocyonidae indet. Murray 1866 condylarth
Thryptacodon sp.8 Matthew and Granger 1915 condylarth
Thryptacodon cf. antiquus Matthew and Granger 1915 condylarth
Princetonia sp.8 Gingerich 1989 condylarth
Chriacus sp.8 Cope 1883 condylarth
 Ungulata - Phenacodontidae
Ectocion osbornianus Cope 1882 condylarth
Phenacodus intermedius9 Granger 1915 condylarth
 Insectivora - Apatemyidae
Labidolemur kayi Simpson 1929 insectivoran
 Tribosphenida - Arctostylopidae
Arctostylops steini Matthew 1915 eutherian
 Theriiformes - Peradectidae
Peradectes protinnominatus6 McKenna 1960 metatherian
 Multituberculata - Neoplagiaulacidae
Ectypodus powelli Jepsen 1940 multituberculate
 Multituberculata - Microcosmodontidae
Microcosmodon rosei n. sp. Krause 1980 multituberculate