Z-Line E Quarry (Paleocene of the United States)

Also known as UCMP V-84194

Where: McCone County, Montana (47.8° N, 106.1° W: paleocoordinates 54.0° N, 80.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Hell Creek Formation, Puercan (66.0 - 63.3 Ma)

• said to be Puercan

Environment/lithology: terrestrial

Reposited in the UCMP

Primary reference: D. L. Lofgren. 1995. The Bug Creek problem and the Cretaceous-Tertiary transition at McGuire Creek, Montana. University of California Publications in Geological Sciences 140:1-185 [J. Alroy/J. Alroy/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 14801: authorized by John Alroy, entered by John Alroy on 12.04.1997, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• one of only two localities immediately below the MCZ that does not included reworked material; see date discussed under Luck_O_Hutch
Show authors, comments, and common names
unclassified
  -
Methatheria indet.
Mammalia
 Procreodi - Arctocyonidae
Mimatuta sp.
Mimatuta sp. Van Valen 1978 condylarth
 Cimolesta - Cimolestidae
Procerberus formicarum, ? Ambilestes cerberoides
Procerberus formicarum Sloan and Van Valen 1965 eutherian
? Ambilestes cerberoides Lillegraven 1969 eutherian
 Tribosphenida - Alphadontidae
Alphadontidae indet.
Alphadontidae indet. Marshall et al. 1990 metatherian
 Tribosphenida - Herpetotheriidae
Thylacodon montanensis
Thylacodon montanensis Williamson et al. 2012 marsupial
 Tribosphenida - Pediomyidae
? Leptalestes cooki
? Leptalestes cooki Clemens 1966 metatherian
 Multituberculata - Neoplagiaulacidae
Mesodma sp., Mesodma formosa, Mesodma thompsoni
Mesodma sp. Jepsen 1940 multituberculate
Mesodma formosa Marsh 1889 multituberculate
Mesodma thompsoni Clemens 1964 multituberculate