Joe's Bonebed (Paleocene of the United States)

Also known as TMM 41366, 41365

Where: Brewster County, Texas (29.2° N, 103.2° W: paleocoordinates 34.5° N, 86.6° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Black Peaks Formation (Tornillo Group), Tiffanian (61.7 - 56.8 Ma)

• 79 - 85 m level of Fm.

•in a reversed zone interpreted as chron C25r based on the position of the Paleocene-Eocene boundary higher in the section, and just above a single Class I site of normal polarity interpreted as C26n

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Reposited in the TMM

Primary reference: J. A. Schiebout. 1974. Vertebrate paleontology and paleoecology of Paleocene Black Peaks Formation, Big Bend National Park, Texas. Texas Memorial Museum Bulletin 24:1-88 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 14956: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Leptictida - Leptictidae
? Palaeictops sp. Matthew 1899 eutherian
 Primates - Microsyopidae
Navajovius kohlhaasae Matthew and Granger 1921 primate
 Primates - Plesiadapidae
Chiromyoides potior2 Gingerich 1975 primate
Nannodectes aff. gidleyi2 Matthew 1917 primate
 Primates - Picrodontidae
? Zanycteris sp. Matthew 1917 primate
 Primates - Paromomyidae
Ignacius frugivorus1 Matthew and Granger 1921 primate
 Tribosphenida - Phenacodontidae
Phenacodus bisonensis5 Gazin 1956 condylarth
Phenacodus matthewi5 Simpson 1935 condylarth
Phenacodus grangeri Simpson 1935 condylarth
 Macroscelidea - Apheliscidae
Haplaletes disceptatrix Simpson 1935 elephant shrew
 Taeniodonta - Stylinodontidae
Psittacotherium multifragum4 Cope 1882 taeniodont
TMM 41366
 Tribosphenida - Arctocyonidae
Arctocyon cf. mumak6 Van Valen 1978 condylarth
Lambertocyon eximius3 Gingerich 1979 condylarth
Chriacus baldwini1 Cope 1882 condylarth
 Sarcobora - Apatemyidae
Jepsenella sp. Simpson 1940 insectivoran
 Multituberculata - Neoplagiaulacidae
Parectypodus sloani Schiebout 1974 multituberculate
Ectypodus musculus Matthew and Granger 1921 multituberculate
Mimetodon silberlingi Simpson 1935 multituberculate
 Multituberculata - Ptilodontidae
Ptilodus mediaevus Cope 1881 multituberculate