Olive Locality (Paleocene of the United States)

Where: Powder River County, Montana (45.4° N, 105.6° W: paleocoordinates 50.7° N, 84.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Tongue River Member (Fort Union Formation), Tiffanian (61.7 - 56.8 Ma)

Environment/lithology: terrestrial

Primary reference: D. L. Wolberg. 1979. Late Paleocene (Tiffanian) mammalian fauna of two localities in eastern Montana. Northwest Geology 8:83-93 [J. Alroy/J. Alroy]more details

PaleoDB collection 15048: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Caudata - Urodela
Piceoerpeton willwoodense2 Meszoely 1967 salamander
Mammalia
 Cimolesta - Titanoideidae
Titanoides sp. Gidley 1917 pantodont
 Cimolesta - Pantolestidae
cf. Pagonomus sp. Russell 1964 eutherian
said to be a genus of pentacodontid from "the early Eocene of France"
Propalaeosinopa albertensis Simpson 1927 eutherian
Palaeosinopa cf. didelphoides Cope 1881 eutherian
 Cimolesta - Pentacodontidae
Protentomodon ursirivalis Simpson 1928 eutherian
 Primates - Microsyopidae
Navajovius sp.3 Matthew and Granger 1921 primate
 Primates - Plesiadapidae
Plesiadapis cf. churchilli Gingerich 1975 primate
Nannodectes cf. gidleyi Matthew 1917 primate
Nannodectes cf. simpsoni Gazin 1956 primate
 Primates - Picrodontidae
Picrodus sp. Douglass 1908 primate
 Primates - Carpolestidae
Carpolestinae indet.1 Russell 1964 primate
 Primates - Paromomyidae
Dillerlemur pagei1 Jepsen 1930 primate
Ignacius frugivorus Matthew and Granger 1921 primate
 Primates -
cf. Purgatorius sp. Van Valen and Sloan 1965 primate
questionably referred
 Dermoptera -
Elpidophorus sp. Simpson 1927 colugo
said to be new
 Tribosphenida - Nyctitheriidae
Leptacodon tener Matthew and Granger 1921 placental
Nyctitherium sp. Marsh 1872 placental
 Ferae - Viverravidae
Didymictis sp. Cope 1875 placental
said to be new; two forms, "A" and "B"
Bryanictis cf. microlestes1 Simpson 1935 placental
Protictis cf. haydenianus Cope 1882 placental
 Ferae -
Carnivora indet.1 Bowditch 1821 carnivoran
 Macroscelidea - Adapisoricidae
Adapisoricidae indet.1 Schlosser 1887 elephant shrew
 Macroscelidea -
Litocherus notissimus1 Simpson 1936 elephant shrew
 Macroscelidea - Apheliscidae
Dorraletes diminutivus1 Dorr 1952 elephant shrew
 Tribosphenida - Arctocyonidae
Anacodon cf. ursidens Cope 1882 condylarth
Thryptacodon sp. Matthew and Granger 1915 condylarth
said to be new
 Theriiformes - Peradectidae
Peradectes cf. protinnominatus McKenna 1960 metatherian
 Sarcobora - Apatemyidae
Apatemyidae indet.1 Matthew 1909 insectivoran
 Multituberculata - Neoplagiaulacidae
Neoplagiaulacidae indet. Ameghino 1890 multituberculate
said to be new
Ectypodus cf. powelli Jepsen 1940 multituberculate
Mimetodon silberlingi Simpson 1935 multituberculate
Neoplagiaulax mckennai4 Sloan 1987 multituberculate
"N. sp. M"
 Multituberculata - Ptilodontidae
Ptilodus sp. Cope 1881 multituberculate