Black River protected subtidal community, Black River Group (Ordovician of the United States)
Where: New York (43.2° N, 75.5° W: paleocoordinates 27.4° S, 53.4° W)
• coordinate based on political unit
When: Black River Group, Blackriveran (457.3 - 449.6 Ma)
• "M. Ord., Black River Group"
Environment/lithology: shallow subtidal; limestone
• "limestone, no dessication, thick algalaminites. very shallow subtidal (BA2) stable shelf."
Size class: macrofossils
Primary reference: K. R. Walker. 1972. Community Ecology of the Middle Ordovician Black River Group of New York State. Geological Society of America Bulletin 83(8):2499-2524 [M. Uhen/J. Ju/J. Ju]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 323: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
• "Walker 1972. GSA Bull."
Show authors, comments, and common names
| Crinoidea | |
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| |
| Stenolaemata | |
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Stictopora sp. Hall 1847 | |
| Rhynchonellata | |
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Zygospira sp. Hall 1862 | |
| Strophomenata | |
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Strophomena sp. Rafinesque and De Blainville 1824 | |
| Gastropoda | |
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Lophospiridae indet. Wenz 1938 snail | |
| Bivalvia | |
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Cyrtodonta sp. Billings 1858 clam | |
| Trilobita | |
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Bathyurus extans Hall 1847 trilobite | |
| Ostracoda | |
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Leperditia sp. Rouault 1851 ostracod | |