Bighorn, Hunt Mtn, Tbl D.6 (Ordovician of the United States)

Where: Wyoming (44.7° N, 107.7° W: paleocoordinates 9.4° S, 66.4° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Bighorn Formation, Ashgillian (449.5 - 443.7 Ma)

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

Primary reference: S. E. Peters. 2003. Evenness, richness and the Cambrian-Paleozoic faunal transition in North America: an assemblage-level perspective. The University of Chicago 1-279 [S. Peters/S. Peters/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 64473: authorized by Shanan Peters, entered by Shanan Peters on 09.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Rugosa -
Rugosa sp. horn coral
 Favositida - Favositidae
Favositidae indet. Dana 1846 tabulate coral
Gastropoda
 Murchisoniina - Hormotomidae
? Hormotoma sp. Salter 1859 snail
 Streptoneura -
Archaeogastropoda sp. Thiele 1925 snail
Strophomenata
 Strophomenida - Furcitellidae
Megamyonia sp. Wang 1949
 Strophomenida - Strophomenidae
Strophomena sp. Rafinesque and De Blainville 1824
Rhynchonellata
 Rhynchonellida - Rhynchotrematidae
Lepidocyclus sp. Wang 1949
Rhynchotrema sp. Hall 1860
 Orthida - Plaesiomyidae
Plaesiomys sp. Hall and Clarke 1892
 Orthida - Hesperorthidae
? Hesperorthis sp. Schuchert and Cooper 1931
 Orthida - Platyorthidae
Diceromyonia sp. Wang 1949
Stenolaemata
  -
Stenolaemata sp. Borg 1926
Ostracoda
 Myodocopa -
Leperditicopida indet. Scott 1961 ostracod
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily