Where: Decatur County, Indiana (39.4° N, 85.7° W: paleocoordinates 27.6° S, 51.8° W)
• coordinate stated in text
When: Laurel Limestone Member, Wenlock (433.4 - 427.4 Ma)
• Upper part of the Laurel Limestone (Wenlockian)
Environment/lithology: marine; limestone
Size classes: macrofossils, mesofossils
Collected by J. R. Ball; H. L. Strimple; T. J. Frest; reposited in the FMNH, SUI
Primary reference: T. J. Frest and H. L. Strimple. 1977. Hirneacrinidae (new), simple Silurian camerate crinoids from the North American continental interior. Journal of Paleontology 51:1181-1200 [G. Webster/G. Webster]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 130071: authorized by John Alroy, entered by Briony Mamo on 04.07.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
| Crinoidea | |
Hirneacrinus perplanus n. sp., Hirneacrinus cupellaeformis n. sp.
Hirneacrinus perplanus n. sp. Frest and Strimple 1977 Sea lily
Hirneacrinus cupellaeformis n. sp. Frest and Strimple 1977 Sea lily | |