ammonites
USNM 508d (Carboniferous to of the United States)

Where: Otero County, New Mexico (32.9° N, 105.3° W: paleocoordinates 19.7° S, 50.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Siphonodella isosticha - S. Crenulata zone, Caballero Formation, Kinderhookian to Kinderhookian (360.7 - 345.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

• none given.

Reposited in the USNM

Primary reference: M. Gordon, Jr. 1986. Late Kinderhookian (Early Mississippian) ammonoids of the western United States. Journal of Paleontology 60(Supplement):1-36 [J. Alroy/M. Sommers/J. Alroy] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 6209: authorized by John Alroy, entered by Mike Sommers on 09.02.2000

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)