Dicellomus - Arapahoia community, Gros Ventre and Deadwood Fms. (Cambrian of the United States)

Where: Wyoming (44.7° N, 111.1° W: paleocoordinates 6.6° S, 82.6° W)

• coordinate based on political unit

• basin-level geographic resolution

When: Gros Ventre Formation, Dresbachian (497.0 - 485.4 Ma)

• "Gros Ventre and Deadwood Fm.s. Dresbachian, Dicellomus-Arapahoia"

• group-level stratigraphic resolution

Environment/lithology: marine; flat-pebble limestone

• "intercalated shale, siltstone and flat-pebble conglomerate. shelf lagoon (below wavebase) BA2. cratonic shelf."

Size class: macrofossils

Primary reference: J. J. Sepkoski. 2000. unpublished data. [M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 226: authorized by Jack Sepkoski, entered by Mike Sommers on 21.03.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Sepkoski unpublished data"
Show authors, comments, and common names
unclassified
  -
Chancellorida indet.
Lingulata
 Lingulida - Obolidae
Dicellomus sp.
Dicellomus sp.
"rank 1"
Paterinata
 Paterinida - Paterinidae
Micromitra sp.
Micromitra sp. Meek 1873
"accessory"
Artiopoda
 Agnostida - Agnostidae
Kormagnostus sp.
Kormagnostus sp. Resser 1938
"accessory"
Trilobita
 Ptychopariida - Menomoniidae
Bolaspidella sp.
Bolaspidella sp. Resser 1937 trilobite
"accessory"
 Ptychopariida - Plethopeltidae
Arapahoia sp.
Arapahoia sp. Miller 1936 trilobite
"rank 2"
 Ptychopariida - Marjumiidae
Coosella sp., Modocia sp.
Coosella sp. Lochman 1936 trilobite
"rank 3"
Modocia sp. Walcott 1924 trilobite
"rank 6"
 Olenida - Cedariidae
Cedaria sp., Cedarina sp.
Cedaria sp. Walcott 1924 trilobite
"rank 4"
Cedarina sp. Lochman 1940 trilobite
"rank 5"