Meier Canyon (Paleocene of the United States)

Also known as UCR 4573, UCR 6668, UCR 6670, UCR 6671, UCR 6682, UCR 6805, UCR 6806, UCR 6825, UCR 6873, UCR 6899, UCR, 7319, 7320

Where: Los Angeles County, California (34.3° N, 118.7° W: paleocoordinates 38.0° N, 99.2° W)

• coordinate based on political unit

When: Simi Formation, Thanetian (59.2 - 56.0 Ma)

Environment/lithology: open shallow subtidal; conglomerate

Size class: macrofossils

Primary reference: W. J. Zinsmeister. 1983. New Late Paleocene molluscs from the Simi Hills, Ventura County, Califonia. Journal of Paleontology 57(6):1282-1303 [A. Hendy/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 205394: authorized by Mark Uhen, entered by Mark Uhen on 14.10.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Ostreidae
Ostrea simiensis n. sp. Zinsmeister 1983 oyster
 Cardiida - Ungulinidae
Diplodonta (Zemysina) pacifica n. sp. Zinsmeister 1983 clam
 Cardiida - Veneridae
Pitar addicotti n. sp. Zinsmeister 1983 venus clam
Pitar murphyi n. sp. Zinsmeister 1983 venus clam
Gastropoda
 Ptenoglossa - Epitoniidae
Acrilla (Ferminoscala) durhami n. sp. Zinsmeister 1983 wentletrap
 Architaenioglossa - Ampullinidae
Eocernina hespericosta n. sp. Zinsmeister 1983 snail
 Neogastropoda - Perissityidae
Nekewis simiensis n. sp. Zinsmeister 1983 snail
 Neogastropoda - Turbinellidae
Cophocara stewarti n. sp. Zinsmeister 1983 snail
Fulgurofusus waringi n. sp. Zinsmeister 1983 snail
Fulgurofusus darraghi n. sp. Zinsmeister 1983 snail
 Neogastropoda - Turridae
Parasyrinx hickmani n. sp. Zinsmeister 1983 turrid
 Naticoidea - Naticidae
Amauropsis meierensis n. sp. Zinsmeister 1983 moon snail
 Tonnoidea - Ranellidae
Gyrineum judithi n. sp. Zinsmeister 1983 triton shell
 Sorbeoconcha - Turritellidae
Turritella cornuatus n. sp. Zinsmeister 1983 turret shell
 Heterostropha - Ringiculidae
Gilbertina popenoei n. sp. Zinsmeister 1983 snail
 Trochoidea - Trochidae
Margarites semiornata n. sp. Zinsmeister 1983 top snail