Albertella - Mexicella biofacies, Carrara Fm.: Delamaran, Nevada and California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Corynexochida - Zacanthoididae
Albertellina sp. Palmer and Halley 1979
Albertella sp. Walcott 1908
Albertelloides sp. Fritz 1968
Mexicaspis sp. Lochman 1948
Trilobita - Ptychopariida - Ptychopariidae
Volocephalina sp. Palmer and Halley 1979
Plagiura sp. Resser 1935
Trilobita - Ptychopariida
Mexicella sp. Lochman 1948
see common names

Geography
Country:United States State/province:Nevada and California
Coordinates: 39.2° North, 119.8° West (view map)
Paleocoordinates:0.6° North, 91.8° West
Basis of coordinate:based on political unit
Geographic resolution:basin
Time
Period: Cambrian
10 m.y. bin: Cambrian 3
*Period:Late/Upper Cambrian
*International age/stage:Lenian
Key time interval: Delamaran Zone:  Albertella
Age range of interval: 511 - 506.5 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Carrara
Stratigraphy comments: "Albertella-Mexicella biofacies" l. M.Camb, Albertella zone"
Lithology and environment
Primary lithology: argillaceous "limestone"
Environment:sand shoal
Geology comments: "argillaceous fine grained ls, back-bank, inner shelf, low energy, non-orogenic miogeocline, BA2"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Taxonomic list comments:"Palmer and Haley 1979 USGS Prof Paper 1047; Palmer and Campbell 1976 BYU Geol Studies 23 (2)" [seems to be trilobites only]
Metadata
Database number:201
Authorizer:J. Sepkoski Enterer:M. Sommers
Modifier:J. Marcot Research group:marine invertebrate
Created:1999-03-21 13:31:55 Last modified:2022-08-02 16:23:57
Access level:the public Released:1999-03-21 13:31:55
Creative Commons license:CC BY
Reference information

Primary reference:
47804. 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]