Squankum marl pits (Miocene to of the United States)

Where: Monmouth County, New Jersey (40.2° N, 74.2° W: paleocoordinates 40.3° N, 69.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Kirkwood Formation, Aquitanian to Aquitanian (23.0 - 16.0 Ma)

• Formation interpreted from a geologic map of the area. It is just about the only formation in the area. AGe is from GEOLEX.

Environment/lithology: marine; siltstone

Size class: macrofossils

Collected by O. B. Kinne

Primary reference: E. D. Cope. 1868. Synopsis of the extinct Mammalia of New Jersey. Geology of New Jersey 739-742 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 50944: authorized by Mark Uhen, entered by Mark Uhen on 25.05.2005, edited by Matthew Carrano and Bethany Allen

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Perissodactyla - Rhinocerotidae
"Rhinoceros matutinus" = Diceratherium matutinum3
"Rhinoceros matutinus" = Diceratherium matutinum3 Marsh 1870 rhinoceros
 Artiodactyla - Anthracotheriidae
Elotherium leidyanum2 Marsh in Cope 1868 anthracothere
 Cetacea - Squalodontidae
Squalodon sp. Grateloup 1840 toothed whale
Reptilia
 Testudines - Pantrionychidae
Trionyx pennatus n. sp.1 Cope 1869 turtle
 Testudines - Cheloniidae
Lembonax polemicus n. gen. n. sp.1, "Chelone parvitecta n. sp." = Chelonia parvitecta1
Lembonax polemicus n. gen. n. sp.1 Cope 1870 sea turtle
"Chelone parvitecta n. sp." = Chelonia parvitecta1 Cope 1870 green sea turtle