Zacanthoidid 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)

• "l. M.Camb. ~Lenian, Albertella zone"

Environment/lithology: reef, buildup or bioherm; limestone

• "coarse bioclastic limestone, shoal water carbonate bank (but subtidal), non-orogenic miogeocline, BA3"

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 202: 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 Papr 1047; Palmer and Campbell 1976 BYU Geol. Studies 23(2)" [mostly trilobites]
Eocrinoidea
  -
Eocrinoidea indet. Jaekel 1918
Tergomya
 Cyrtonellida -
Cyrtonellida indet. HornĂ˝ 1963
Trilobita
 Ptychopariida - Ptychopariidae
Pachyaspis sp., Volocephalina sp., Caborcella sp., "Syspacephalus sp." = Ptychoparella, "Nyella sp." = Palmerara
Pachyaspis sp. Resser 1938 trilobite
Volocephalina sp. Palmer and Halley 1979 trilobite
Caborcella sp. Lochman 1948 trilobite
originally entered as "Caborella sp."
"Syspacephalus sp." = Ptychoparella Poulson 1927 trilobite
"Nyella sp." = Palmerara Ă–zdikmen 2009 trilobite
 Ptychopariida - Alokistocaridae
Chancia sp. Walcott 1924 trilobite
 Corynexochida - Dorypygidae
Kootenia sp. Walcott 1899 trilobite
 Corynexochida - Oryctocephalidae
Oryctocephalites sp. Resser 1939 trilobite
Oryctocephalina sp. Tomashpolskaya 1961 trilobite
 Corynexochida - Zacanthoididae
Zacanthoides sp. Walcott 1888 trilobite
Albertelloides sp. Fritz 1968 trilobite
Ptarmiganoides sp. Rasetti 1951 trilobite
Paralbertella sp. Palmer and Halley 1979 trilobite
 Corynexochida - Dolichometopidae
Poliella sp. Walcott 1916 trilobite
Artiopoda
 Agnostida - Peronopsidae
Peronopsis sp. Corda 1847
 Agnostida - Eodiscidae
Pagetia sp. Walcott 1916