Racine Fm, Milwaukee, Hartung Quarry, 34489 - Patzkowsky (Silurian to of the United States)

Where: Milwaukee County, Wisconsin (43.1° N, 88.0° W: paleocoordinates 25.0° S, 49.3° W)

• coordinate based on nearby landmark

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

Environment/lithology: lagoonal or restricted shallow subtidal; lithified dolomite

• "...represent an inter-reef facies."
• fine-grained, well-bedded dolostone.

Size class: macrofossils

Collection methods: bulk,

Primary reference: R. Watkins. 1991. Guild structure and tiering in a high-diversity Silurian community, Milwaukee County, Wisconsin. Palaios 6:465-478 [M. Patzkowsky/Z. Krug/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 13017: authorized by Mark Patzkowsky, entered by Zack Krug on 16.01.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Anthozoa
 Favositida - Micheliniidae
Pleurodictyum sp. Goldfuss 1829 tabulate coral
Cephalopoda
 Dissidocerida - Geisonoceratidae
 Orthocerida - Dawsonoceratidae
Strophomenata
 Strophomenida - Strophodontidae
"Protomegastrophia profunda" = Brachyprion (Protomegastrophia) profunda
"Protomegastrophia profunda" = Brachyprion (Protomegastrophia) profunda Hall 1852
 Strophomenida - Leptestiidae
 Strophomenida - Rafinesquinidae
"Leptaena depressa" = Leptaena (Leptaena) depressa
"Leptaena depressa" = Leptaena (Leptaena) depressa Sowerby 1824
Rhynchonellata
 Orthida - Dicoelosiidae
Dicoelosia biloba Linnaeus 1758
 Orthida - Dalmanellidae
Resserella canalis Sowerby 1839
 Atrypida - Punctatrypidae
 Atrypida - Atrypinidae
 Atrypida - Atrypidae
Plectatrypa imbricata Sowerby and Murchison 1839
 Pentamerida - Clorindidae
 Athyridida - Nucleospiridae
Nucleospira sp. Hall 1859
 Athyridida - Meristellidae
Meristina sp. Hall 1867
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
ramose
Bryozoa indet. Ehrenberg 1831
encrusting
Bryozoa indet. Ehrenberg 1831
massive
Trilobita
 Phacopida - Encrinuridae
 Phacopida - Calymenidae
"Sthenarocalymene celebra" = Calymene celebra
"Sthenarocalymene celebra" = Calymene celebra Raymond 1916 trilobite
 Phacopida - Dalmanitidae
Crinoidea
  -
Crinoidea sp. 1 Miller 1821 Sea lily
 Pisocrinida - Pisocrinidae
Parapisocrinus sp. Mu 1954 Sea lily