Francis Ranch, unit E (Devonian of the United States)

Where: Meagher County, Montana (46.2° N, 111.0° W: paleocoordinates 13.1° S, 45.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Palmatolepis expansa conodont zone, unit E Member (Sappington Formation), Late/Upper Famennian (364.7 - 360.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, oncoidal, silty, sandy limestone

• biostrome of nodular calcareous algae (oncolites) and sponges; intra- and internoular brachiopod fauna; silicification of brachiopods in nodules.

Size class: macrofossils

Primary reference: J. Rodriguez and R. C. Gutschick. 1967. Brachiopods from the Sappinton Formation (Devonian - Mississippian) of western Montana. Journal of Paleontology 41(2):364-384 [J. Alroy/M. Sommers/J. Ju]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 7124: authorized by John Alroy, entered by Mike Sommers on 02.05.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• only brachiopods collected
Craniata
 Craniida - Craniidae
"Crania rowleyi" = Philhedra rowleyi
"Crania rowleyi" = Philhedra rowleyi Gurley 1883
Rhynchonellata
 Spiriferinida - Syringothyrididae
 Orthida - Rhipidomellidae
 Spiriferida - Ambocoeliidae