Albertella - Mexicella biofacies, Carrara Fm. (Cambrian of the United States)

Where: Nevada and California (39.2° N, 119.8° W: paleocoordinates 0.6° N, 91.8° W)

• coordinate based on political unit

• basin-level geographic resolution

When: Albertella zone, Carrara Formation, Delamaran (511.2 - 506.5 Ma)

• "Albertella-Mexicella biofacies" l. M.Camb, Albertella zone"

Environment/lithology: sand shoal; argillaceous limestone

• "argillaceous fine grained ls, back-bank, inner shelf, low energy, non-orogenic miogeocline, BA2"

Size class: macrofossils

Primary reference: A. R. Palmer and R. B. Halley. 1979. Physical Stratigraphy and Trilobite Biostratigraphy of the Carrara Formation (Lower and Middle Cambrian) in the Southern Great Basin. United States Geological Survey Professional Paper 1047:1-131 [W. Kiessling/M. Krause/J. Ju]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 201: authorized by Jack Sepkoski, entered by Mike Sommers on 21.03.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Palmer and Haley 1979 USGS Prof Paper 1047; Palmer and Campbell 1976 BYU Geol Studies 23 (2)" [seems to be trilobites only]
 Corynexochida - Zacanthoididae
Albertellina sp. Palmer and Halley 1979 trilobite
Albertelloides sp. Fritz 1968 trilobite
Albertella sp. Walcott 1908 trilobite
Mexicaspis sp. Lochman 1948 trilobite
 Ptychopariida -
Mexicella sp. Lochman 1948 trilobite
 Ptychopariida - Ptychopariidae
"Nyella sp." = Palmerara Ă–zdikmen 2009 trilobite
Plagiura sp. Resser 1935 trilobite
Volocephalina sp. Palmer and Halley 1979 trilobite