Apopentamerus community, Racine Fm, 34659 - Patzkowsky (Silurian of the United States)

Where: Wisconsin (43.0° N, 87.9° W: paleocoordinates 23.6° S, 50.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Racine Formation, Wenlock (433.4 - 427.4 Ma)

Environment/lithology: reef, buildup or bioherm; lithified packstone

• "These beds are interpreted as bank deposits formed in proximity to reefs."
• packstones

Size class: macrofossils

Primary reference: R. Watkins. 1994. Evolution of Silurian Pentamerid Communities in Wisconsin. Palaios 9:488-499 [M. Patzkowsky/Z. Krug]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 13013: authorized by Mark Patzkowsky, entered by Zack Krug on 16.01.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
"Favositid" indet., "Heliolitid" sp. 1
Crinoidea
 Cyathocrinida - Crotalocrinitidae
Crotalocrinites cora
Bryozoa
  -
Bryozoa indet., Bryozoa indet.
Bryozoa indet. Ehrenberg 1831
ramose
Bryozoa indet. Ehrenberg 1831
laminar
Craniata
 Trimerellida - Trimerellidae
Dinobolus conradi
Rhynchonellata
 Pentamerida - Pentameridae
"Apopentamerus racinensis" = Harpidium (Isovella)
"Apopentamerus racinensis" = Harpidium (Isovella)
 Rhynchonellida - Rhynchotrematidae
Stegerhynchus sp.
Stegerhynchus sp. Foerste 1909
 Atrypida - Atrypidae
Atrypa sp.
Atrypa sp. Dalman 1828
Cephalopoda
 Nautiloidea -
Nautiloidea indet.
Nautiloidea indet. Agassiz 1847 nautiloid
cyrtoconic
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
 Bellerophontida - Bucaniidae
"Tremanotus alpheus" = Tremanotus angustata
"Tremanotus alpheus" = Tremanotus angustata Hall 1852 snail
Anthozoa
 Stauriida - Amplexidae
Amplexus fenestratus
 Heliolitida - Halysitidae
Halysites sp.
Halysites sp. von Waldheim 1813 tabulate coral