Black River intertidal 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 (460.9 - 449.5 Ma)
• "M. Ord."
Environment/lithology: peritidal; carbonate
• "algalaminites (carbonate); thin bedded, mud-cracked; birdseye. intertidal. (BA1) 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 322: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998
Creative Commons license: CC BY (attribution)
• "K.R. Walker, 1973. Strat. and env. sed. of M. Ord. Lack River Grp. in the type area- New York State. NY State Mus. and Sci. Serv. Bull. 419,43. K.R. Walker, 1972. Community ecology of the M. Ord. Black River Group of NY. GSA Bull. Cooper, 1956 (some brachs thrown in)"
Show authors, comments, and common names
Leperditia sp. Rouault 1851 ostracod
Bathyurus extans Hall 1847 trilobite
? Cyrtodonta sp. Billings 1858 clam
originally entered as "? Cyrtodona sp."
"Ancistrorhynchia sp." = Ancistrorhyncha
"Ancistrorhynchia sp." = Ancistrorhyncha Ulrich and Cooper 1942
originally entered as "Ancistrothyncha sp."
Zygospira sp. Hall 1862