Jacobs Bone Bed (Cretaceous of the United States)

Also known as UALP 7592

Where: San Juan County, New Mexico (36.3° N, 108.2° W: paleocoordinates 43.6° N, 79.5° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Judithian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial

Primary reference: L. J. Flynn. 1986. Late Cretaceous mammal horizons from the San Juan Basin, New Mexico. American Museum Novitates 2845:1-30 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 14464: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• NISP 28 (29% therian)
 Theriamorpha - Gypsonictopidae
Gypsonictops sp. Simpson 1927 eutherian
said to be new
 Cimolesta - Cimolestidae
cf. Cimolestes sp. Marsh 1889 eutherian
 Theriamorpha - Alphadontidae
Alphadon sp. Simpson 1927 metatherian
"B"; said to be new
Alphadon cf. marshi Simpson 1927 metatherian
 Allotheria -
Multituberculata indet. Cope 1884 multituberculate
"Mesodma n. sp. or cf. Cimexomys antiquus"
 Multituberculata -
Paracimexomys sp. Archibald 1982 multituberculate
said to be new
 Multituberculata - Eucosmodontidae
cf. Eucosmodontidae indet. Jepsen 1940 multituberculate
said to be a new genus
 Multituberculata - Cimolomyidae
Meniscoessus intermedius Fox 1976 multituberculate
 Multituberculata - Cimolodontidae
Cimolodon sp. Marsh 1889 multituberculate
said to be new
Cimolodon electus Fox 1971 multituberculate
 Multituberculata - Neoplagiaulacidae
Mesodma cf. senecta Fox 1971 multituberculate
 Multituberculata -
Cimexomys judithae Sahni 1972 multituberculate