Where: Nebraska (40.0° N, 96.8° W: paleocoordinates 5.0° N, 24.6° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Grant Member (Winfield Formation), Artinskian (290.1 - 279.3 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified shale
Size class: macrofossils
Primary reference: R. K. Pabian and H. L. Strimple. 1974. Crinoid Studies Part I. Some Pennsylvanian crinoids from Nebraska. Part II. Some Permian crinoids from Nebraska, Kansas, and Oklahoma. Bulletins of American Paleontology 64(281):247-337 [G. Webster/G. Webster]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 116096: authorized by Matthew Clapham, entered by Matthew Clapham on 05.09.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Crinoidea | |
Microcaracrinus twenhofeli Moore 1939 Sea lily | |
Delocrinus vastus Lane and Webster 1966 Sea lily | |
Nebraskacrinus tourteloti Moore 1939 Sea lily | |
"Contocrinus cf. scopulus" = Graphiocrinus scopulus
"Contocrinus cf. scopulus" = Graphiocrinus scopulus Lane and Webster 1966 Sea lily |