Bighorn - Hunt Mountain (Ordovician to of the United States)

Where: Wyoming (44.7° N, 107.7° W: paleocoordinates 9.5° 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• coordinate based on unpublished field data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)

• collected from thinly bedded limestones

• group of beds-level stratigraphic resolution

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

• 90% very thinly bedded to nodular skeletal packstone to wackestone and 10% very thinly bedded "shale" or partings of "shale"

Size class: macrofossils

Preservation: original calcite

Collection methods: surface (float),

• based on S.M. Holland unpublished field notes and collection from 3 August 2000

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 Unpublished field notes.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

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 35350: authorized by Steven Holland, entered by Steven Holland on 03.12.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda "indet. #1" Cuvier 1797 snail
indet. #1
Gastropoda "indet. #2" Cuvier 1797 snail
indet #2
Gastropoda "indet. #3" Cuvier 1797 snail
indet #3
 Euomphalina - Macluritidae
Maclurites sp. Le Sueur 1818 snail
 Murchisoniina - Hormotomidae
Hormotoma sp. Salter 1859 snail
Cephalopoda indet. Cuvier 1797
orthoconic nautiloid
 Trepostomata -
Trepostomata "indet. ramose" Ulrich 1882
ramose trepostomes
Trepostomata "indet. encrusting" Ulrich 1882
encrusting trepostome
 Dendrocrinida - Dendrocrinidae
Dendrocrinus sp. Hall 1852 Sea lily
 Strophomenida - Rafinesquinidae
Megamyonia nitens Billings 1860
 Strophomenida - Strophomenidae
Strophomena sp. Rafinesque and De Blainville 1824
 Rhynchonellida - Rhynchotrematidae
"Lepidocyclus gigas" = Hiscobeccus gigas Wang 1949
 Orthida - Platyorthidae
Diceromyonia storeya Okulitch 1943
 Orthida - Plaesiomyidae
Dinorthis occidentalis Okulitch 1943
 Craniida - Craniidae
Petrocrania sp. Raymond 1910
 Sarcinulida - Billingsariidae
Foerstephyllum sp. Bassler 1950 tabulate coral
 Stauriida - Streptelasmatidae
Streptelasma sp. Hall 1847 horn coral
Bighornia sp. horn coral