Where: Nevada (39.9° N, 117.5° W: paleocoordinates 10.3° N, 41.6° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Acrochordiceras hyatti zone, Bithynian (247.2 - 242.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified limestone and lithified siltstone

Size class: macrofossils

Primary reference: H. Bucher. 1992. Ammonoids of the Hyatti Zone and the Anisian transgression in the Star Peak Group, Northwestern Nevada, USA. Palaeontographica Abteilung A 233:137-166 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 112709: authorized by Matthew Clapham, entered by Christina Feng on 16.07.2011, edited by Matthew Clapham

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