USNM 10712. North end of double-topped ridge, Ribbit Hill (Devonian of the United States)

Also known as 4351, J60-1

Where: Eureka County, Nevada (39.2° N, 116.4° W: paleocoordinates 19.9° S, 61.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Spinoplasia brachiopod zone, Rabbit Hill Limestone Formation, Siegen (412.3 - 409.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Collected by J. G. Johnson and J. B. Roen; A. J. Boucot in 1959, 1963; reposited in the USNM

Primary reference: J. G. Johnson. 1970. Great Basin Lower Devonian Brachiopoda. Geological Society of America Special Paper (131)1-421 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 164823: authorized by Pete Wagner, entered by Pete Wagner on 17.12.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Strophomenida - Strophodontidae
 Strophomenida - Rafinesquinidae
 Orthotetida - Schuchertellidae
Rhynchonellata
 Spiriferida - Ambocoeliidae
Spinoplasia roeni Johnson 1970
 Spiriferida - Delthyrididae
 Athyridida - Anoplothecidae
 Athyridida - Nucleospiridae
 Athyridida - Meristellidae
 Rhynchonellida - Leptocoeliidae
Leptocoelina squamosa Johnson 1970
 Pentamerida - Camerellidae
Camerella sp. Billings 1859
 Orthida - Dalmanellidae
Levenea navicula Johnson 1970
 Orthida - Rhipidomellidae
Dalejina "sp. B" Havlicek 1953
 Atrypida - Atrypidae
Atrypa sp. Dalman 1828