Where: Columbia County, Arkansas (33.4° N, 92.7° W: paleocoordinates 26.0° N, 39.8° W)
• coordinate estimated from map
When: Smackover Formation, Oxfordian (163.5 - 157.3 Ma)
• The age of Smackover limestone is Middle or Upper Jurassic... One of the two new species is most closely allied to Middle Jurassic European species, whereas the other finds close comparison only with an Upper Jurassic species from the same area.
Environment/lithology: lagoonal or restricted shallow subtidal; limestone
Size class: macrofossils
Preservation: mold/impression
Collected by Dr. R. W. Imlay
• deposited at the Museum of Paleontology, University of Michigan
Primary reference: J. W. Wells. 1942. Jurassic corals from the smackover limestone, Arkansas. Journal of Paleontology 16(1):126-129 [W. Kiessling/A. Girndt]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 78642: authorized by Wolfgang Kiessling, entered by Antje Girndt on 13.02.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
Stylina arkansasensis n. sp.
| |
Thamnasteria imlayi n. sp.
|