Moffat Trail Fauna, Amsden Fm. (Carboniferous of the United States)

Where: Wyoming (43.0° N, 107.0° W: paleocoordinates 0.3° S, 38.9° W)

• coordinate based on political unit

• basin-level geographic resolution

When: Moffat Trail Member (Amsden Formation), Chesterian (335.5 - 323.2 Ma)

• "U. Miss. (mid-late Chester)"

Environment/lithology: marine; gray limestone

• "predom lt grey med to fine gr. fossilif. ls- composed largely of crinoidal and other organic debris. chert nodules and lenses common and are present in unit that these samples were taken from. BA3"

Size class: macrofossils

Primary reference: W. J. Sando, M., J.r. Gordon, and J. T. Dutro. 1975. Stratigraphy and geologic history of the Amsden Formation (Mississippian and Pennsylvanian) of Wyoming. United States Geological Survey Professional Paper 848A:1-83 [J. Alroy/M. Sommers/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 583: authorized by Arnold Miller, entered by Mike Sommers on 19.01.1999, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Sando et al. 1975"
Show authors, comments, and common names
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily
crinoidal debris
Conodonta
 Ozarkodinida - Polygnathidae
Cavusgnathus sp.
Cavusgnathus sp. Harris and Hollingsworth 1933 conodont
2 species - originally entered as "Cavasgnathus sp."
Rhynchonellata
 Spiriferida - Spiriferidae
Anthracospirifer sp.
Gastropoda
 Bellerophontida -
""Bellerophontoidea" indet." = Bellerophontoidea
""Bellerophontoidea" indet." = Bellerophontoidea M'Coy 1851 snail
Bivalvia
 Pectinida - Aviculopectinidae
Aviculopecten sp.
Aviculopecten sp. M'Coy 1851 scallop
Anthozoa
 Stauriida - Cyathopsidae
Caninia sp.
Caninia sp. Michelin 1840 horn coral
 Rugosa -
Turbinatocanina sp.
Turbinatocanina sp. horn coral
originally entered as "Turbinatocaninia sp."
 Auloporida - Thecostegitidae
Duncanopora sp.
Duncanopora sp. Sando 1975 tabulate coral
 Auloporida - Multithecoporidae
Multithecopora sp.
Multithecopora sp. Yoh 1927 tabulate coral
Demospongiae
 Hadromerida - Suberitidae
Chaetetes sp.
Chaetetes sp. Fischer von Waldheim 1829 demosponge