USGS loc. 7886, Clark Mountain Range (Triassic of the United States)

Also known as locality 16 of Hewett 1956; west of Dewitts Camp

Where: San Bernardino County, California (35.6° N, 115.5° W: paleocoordinates 9.2° N, 49.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Moenkopi Formation, Triassic (251.9 - 201.4 Ma)

• member-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

Size class: macrofossils

Preservation: replaced with silica

Primary reference: D. F. Hewett. 1956. Geology and mineral resources of the Ivanpah quadrangle, California and Nevada. United States Geological Survey Professional Paper 275:1-172 [J. Marcot/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 229448: authorized by Jonathan Marcot, entered by Jonathan Marcot on 11.03.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
"small gastropods"
Bivalvia
 Pectinida - Pseudomonotidae
? Pseudomonotis "n. sp." von Beyrich 1862 scallop
 Pectinida - Hunanopectinidae
"Aviculopecten parvulus" = Leptochondria occidanea
"Aviculopecten parvulus" = Leptochondria occidanea Meek 1877 scallop
misspelled as "Aviculpecten parvulus"