Belted Range, Carrara Fm, Pyramid Shale Mbr. (USGS 4435-CO) (Cambrian of the United States)

Where: Nevada (37.3° N, 116.1° W: paleocoordinates 2.0° S, 94.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Plagiura-Poliella trilobite zone, Pyramid Shale Member (Carrara Formation), Delamaran (511.2 - 506.5 Ma)

• member-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; green, silty shale and siltstone

• The member is primarily a green shale interbedded

•with brown and maroon siltstone and shale with minor

•amounts of quartzite and limestone.

Size classes: macrofossils, mesofossils, microfossils

Primary reference: A. R. Palmer and R. B. Halley. 1979. Physical Stratigraphy and Trilobite Biostratigraphy of the Carrara Formation (Lower and Middle Cambrian) in the Southern Great Basin. United States Geological Survey Professional Paper 1047:1-131 [W. Kiessling/M. Krause/J. Ju]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 149389: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 03.08.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Ptychopariida - Ptychopariidae
Syspacephalus longus n. sp.
Syspacephalus longus n. sp. Palmer and Halley 1979 trilobite
 Corynexochida - Oryctocephalidae
Oryctocephalus nyensis n. sp.
Oryctocephalus nyensis n. sp. Palmer and Halley 1979 trilobite
Artiopoda
 Agnostida - Eodiscidae
Pagetia sp.
Pagetia sp. Walcott 1916