Ash Grove Cement Company Quarry - South Bend Limestone (Carboniferous to of the United States)

Where: Cass County, Nebraska (41.0° N, 96.1° W: paleocoordinates 0.6° S, 27.3° W)

• coordinate stated in text

When: Streptognathodus praenuntius conodont zone, South Bend Limestone Member (Stanton Limestone Formation), Dorogovilovian to Dorogovilovian (304.8 - 302.2 Ma)

• Late Kasimovian, Late Dorogomilov-Early Rusavkin Substage from Russian Platform

Environment/lithology: marine; limestone

Size class: mesofossils

Reposited in the USNM

Primary reference: R. K. Pabian and W. J. Rushlau. 2002. Taphonomic Analysis and Systematic Descriptions of Some Late Pennsylvanian and Early Permian Crinoids from Southeastern Nebraska, Eastern Kansas and Southwestern Iowa. Nebraska Geological Survey Paper Geological Survey Papers 20:1-45 [J. Alroy/B. Mamo/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 124491: authorized by John Alroy, entered by Briony Mamo on 16.02.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
 Poteriocrinina - Decadocrinidae
Glaukosocrinus berryi n. sp. Pabian and Rushlau 2002 Sea lily