Strophomena community, upper Tanners Cr. Fm. (Ordovician of the United States)

Where: Indiana (39.7° N, 86.2° W: paleocoordinates 24.5° S, 58.9° W)

• coordinate based on political unit

When: Tanners Creek Formation, Richmondian (449.5 - 443.7 Ma)

• "Richmond Group"

Environment/lithology: shallow subtidal; limestone and shale

• "ls and sh (?). inner sublittoral. stable interior craton."

Size class: macrofossils

Primary reference: K. R. Walker. 1972. Trophic Analysis: a method for studying the function of ancient communities. Journal of Paleontology 46:82-93 [M. Uhen/J. Ju]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 399: authorized by Jack Sepkoski, entered by Mike Sommers on 03.12.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• "W.T. Fox, 1968. Quantitative paleoecologic analysis of fossil communities in the Richmond Group. J. Geol. 76:613-640. K.R. Walker, 1972. Trophic Analysis: a method for studying the function of ancient communities. J. Paleo. 46:82-93."
Trilobita
 Asaphida - Asaphidae
Isotelus maximus Locke 1838 trilobite
originally entered as "Isotellus maximus"
Strophomenata
 Strophomenida - Sowerbyellidae
"Sowerbyella rugosus" = Sowerbyella rugosa
"Sowerbyella rugosus" = Sowerbyella rugosa Meek 1873
 Strophomenida - Strophomenidae
Rhynchonellata
 Atrypida - Anazygidae
 Rhynchonellida - Rhynchotrematidae
"Rhynchotrema capax" = Hiscobeccus capax
"Rhynchotrema capax" = Hiscobeccus capax Conrad 1842
 Orthida - Plaesiomyidae
"Plaesiomys subquadrata" = Plaesiomys subquadratus
"Plaesiomys subquadrata" = Plaesiomys subquadratus Hall 1847
 Orthida - Plectorthidae
Stenolaemata
 Trepostomata - Batostomellidae
Bythopora sp. Miller and Dyer 1878