Where: Nevada (40.1° N, 117.6° W: paleocoordinates 11.1° N, 41.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: taylori ammonoid zone, Fossil Hill Member (Favret Formation), Pelsonian (247.2 - 242.0 Ma)

• Augustaceras escheri subzone

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Primary reference: C. Monnet, H. Bucher, M. Wasmer and J. Guex. 2010. Revision of the genus Acrochordiceras Hyatt, 1877 (Ammonoidea, Middle Triassic): morphology, biometry, biostratigraphy, and intra-specific variability. Palaeontology 53(5):961-996 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 143983: authorized by Matthew Clapham, entered by Matthew Clapham on 28.04.2013

Creative Commons license: CC BY (attribution)