Jefferson Limestone fauna, Jefferson Fm. (Devonian of the United States)

Where: Granite County, Montana (46.4° N, 113.2° W: paleocoordinates 17.4° S, 47.1° W)

• coordinate based on political unit

When: upper Member (Jefferson Formation), Frasnian (382.7 - 372.2 Ma)

Environment/lithology: shallow subtidal; black limestone

• "gray to black ls, dolomitic- anhydrite, etc high in unit. it isn't clear whether this fauna was collected near evaporite beds. shallow marine (probably) BA3?"

Size class: macrofossils

Primary reference: E. M. Kindle. 1908. The fauna and strat of the Jefferson limestone in the northern Rocky Mountain region. Bulletin of American Paleontology 4(20):1-39 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 632: authorized by Arnold Miller, entered by Mike Sommers on 28.01.1999, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Kindle, E.M. 1908. The fauna and strat of the Jefferson limestone in the northern Rocky Mtn. region. Bull. Am. Paleont. 4(20):39 pp.
Show authors, comments, and common names
Gastropoda
 Murchisoniina - Loxonematidae
Loxonema approximatum
Loxonema approximatum Walcott 1884 snail
 Euomphalina - Euomphalidae
Straparollus sp.
Straparollus sp. de Montfort 1810 snail
originally entered as "Strapardlus sp."
Rhynchonellata
 Rhynchonellida - Rhynchonellidae
Hypothyris sp.
Hypothyris sp. King 1893
 Spiriferinida - Cyrtinidae
Cyrtina sp.
Cyrtina sp. Davidson 1858
 Atrypida - Atrypidae
Atrypa sp.
Atrypa sp. Dalman 1828
2 species
 Athyridida - Athyrididae
Athyris sp.
Athyris sp.
2 species
 Spiriferida - Ambocoeliidae
Ambothyris sp., Emanuella sp.
Ambothyris sp. George 1931
Emanuella sp. Grabau 1923
 Spiriferida - Spiriferidae
Allanaria sp., Spirifer sp.
Allanaria sp. Crickmay 1953
Spirifer sp. Sowerby 1818
2 species
Strophomenata
 Orthotetida - Schuchertellidae
Schuchertella sp.
Schuchertella sp. Girty 1904
 Productida - Productellidae
Productella sp.
Trilobita
 Proetida - Proetidae
Proetus sp.
Proetus sp. Steininger 1831 trilobite
Anthozoa
 Favositida - Favositidae
Favosites sp.
Favosites sp. Lamarck 1816 tabulate coral
 Favositida - Pachyporidae
Thamnopora sp.
Thamnopora sp. Steininger 1831 tabulate coral
(=Thamnotrypa)