Mammal Quarry No. 4 (Cretaceous of the United States)

Also known as Lance Quarry 4, Lull's Locality 4, Hatcher No. 4

Where: Niobrara County, Wyoming (43.2° N, 104.5° W: paleocoordinates 49.6° N, 79.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Lance Formation, Lancian (70.6 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Collected by J. B. Hatcher in 1889; reposited in the YPM

Collection methods: bulk, quarrying,

Primary reference: R. S. Lull. 1915. The mammals and horned dinosaurs of the Lance Formation of Niobrara County, Wyoming. The American Journal of Science, series 4 40(238):319-348 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 14586: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Multituberculata - Cimolomyidae
"Nanomyops sp." = Cimolomys, "Halodon sculptus" = Meniscoessus robustus
"Nanomyops sp." = Cimolomys Marsh 1889 multituberculate
"Halodon sculptus" = Meniscoessus robustus Marsh 1889 multituberculate
 Multituberculata - Cimolodontidae
"Halodon serratus" = Cimolodon nitidus
"Halodon serratus" = Cimolodon nitidus Marsh 1889 multituberculate
Reptilia
 Theropoda -
"Tripriodon caperatus" = Paronychodon lacustris
"Tripriodon caperatus" = Paronychodon lacustris Cope 1876 maniraptoran