Crinoid-trilobite community, lower Tanner's Creek Fm., Brookville (Ordovician of the United States)

Where: Indiana (39.4° N, 85.0° W: paleocoordinates 25.4° S, 58.9° W)

• coordinate based on nearby landmark

When: Tanners Creek Formation, Richmondian (449.6 - 445.5 Ma)

• "U. Ord. (Richmond). lower Tanner's Cr. Fm., Richmond Group"

Environment/lithology: offshore; siltstone

• "Muddy silts. not smapling onniella packestones (tempestites) BA5, probably closer to BA4. quiet water, offshore. relatively deep. (Mid shelf?). interior shelf (cratonic)"

Size class: macrofossils

Primary reference: W. T. Fox. 1968. Quantitative paleoecologic analysis of fossil communities in the Richmond Group. Journal of Geology 76:613-640 [M. Uhen/J. Ju]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 355: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Fox, 1968. J.Geol. 76:613-640. Richards."
Show authors, comments, and common names
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily
crinoids
Lingulata
 Lingulida - Lingulidae
Lingula sp.
Lingula sp. Bruguiére 1797
Rhynchonellata
 Orthida -
Orthida indet.
Orthida indet. Schuchert and Cooper 1932
orthids (uncommon)
Lophophorata
 Tentaculitida - Tentaculitidae
Tentaculites sp.
Tentaculites sp. von Schlotheim 1820
pteropod
Stenolaemata
 Trepostomata - Batostomellidae
Bythopora sp.
Bythopora sp. Miller and Dyer 1878
 Trepostomata - Halloporidae
Hallopora sp.
Hallopora sp. Bassler 1911
Cephalopoda
 Nautiloidea -
Nautiloidea indet.
Nautiloidea indet. Agassiz 1847 nautiloid
cephalopods
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
gastropods; ? Archaeogastropoda
Bivalvia
  -
Bivalvia indet.
Bivalvia indet. Linnaeus 1758 clam
probably Ambonychia, see Oniella-Sowerbyella
Trilobita
 Phacopida - Calymenidae
Flexicalymene sp.
Flexicalymene sp. Shirley 1936 trilobite
 Asaphida - Asaphidae
Isotelus sp.
Isotelus sp. Dekay 1824 trilobite