CF-1, Calls Fort [Spence Shale Mbr, Langston Fm] (Cambrian of the United States)

Where: Box Elder County, Utah (41.6° N, 112.0° W: paleocoordinates 5.6° S, 90.1° W)

When: Glossopleura to Bathyuriscus-Elrathina trilobite zone, Spence Shale Member (Langston Formation), Delamaran (513.0 - 505.0 Ma)

Environment/lithology: deep subtidal ramp; lithified mudstone

Size class: macrofossils

Preservation: mold/impression

Collected by James Sprinkle, R. A. Robison in 1968; reposited in the MCZ, USNM

• Also in UU, Department of Geological and Geophysical Sciences, University of Utah.

Primary reference: J. Sprinkle. 1973. Morphology and evolution of blastozoan echinoderms. Harvard University Museum of Comparative Zoology, Special Publication 1-283 [G. Webster/G. Webster/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90588: authorized by Alex Lin, entered by Alex Lin on 08.08.2009, edited by John Alroy

Creative Commons license: CC BY (attribution)

Taxonomic list

Stylophora
 Cornuta - Cothurnocystidae
Ponticulocarpus robisoni n. gen. n. sp.
Ponticulocarpus robisoni n. gen. n. sp. Sumrall and Sprinkle 1999
Eocrinoidea
 Gogiida - Eocrinidae
Gogia guntheri Sprinkle 1973
additional 25 museum specimens examined
Gogia granulosa Robison 1965
additional 38 museum specimens examined
Ctenocystoidea
 Ctenocystoida - Ctenocystidae
Ctenocystis utahensis Robison and Sprinkle 1969