Bighorn - Granite Pass (Ordovician to of the United States)

Where: Wyoming (44.6° N, 107.5° W: paleocoordinates 9.7° S, 66.7° W)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Bighorn Formation, Maysvillian to Maysvillian (452.0 - 443.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal; lithified, shelly/skeletal, white packstone and lithified shale

• very thinly bedded skeletal packstone and fossiliferous "shale"; fossils largely weathering free from shale

Size class: macrofossils

Preservation: original calcite

Collection methods: surface (float),

• based on unpublished field notes and collection of S.M. Holland, 4 August 2003

Primary reference: S. M. Holland. 2003. Unpublished field notes. [S. Holland/S. Holland/S. Holland]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 35351: authorized by Steven Holland, entered by Steven Holland on 03.12.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

 Trepostomida -
trepostomata indet. Ulrich 1882
ramose trepostomes
trepostomata indet. Ulrich 1882
thin bifoliate trepostome
 Strophomenida - Rafinesquinidae
Megamyonia nitens Billings 1860
 Strophomenida - Strophomenidae
"Strophomena fluctuosa" = Nasutimena fluctuosa
"Strophomena fluctuosa" = Nasutimena fluctuosa Billings 1860
 Rhynchonellida - Rhynchotrematidae
 Orthida - Platyorthidae
Diceromyonia storeya Okulitch 1943
 Orthida - Plaesiomyidae
Dinorthis occidentalis Okulitch 1943
 Sarcinulida - Billingsariidae
? Foerstephyllum sp. Bassler 1950 tabulate coral
 Stauriida - Streptelasmatidae
Lobocorallium trilobatum horn coral
L. trilobatum trilobatum
Streptelasma sp. Hall 1847 horn coral
Bighornia patella horn coral