Beaver Creek? Irondequoit upper (Silurian of the United States)

Where: Wayne County, New York (43.2° N, 76.9° W: paleocoordinates 26.9° S, 44.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Irondequoit Formation (Clinton Group), Sheinwoodian (433.4 - 430.5 Ma)

• formation-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified reef rocks and lithified shale

• Light gray, crystalline limestone withe prominent shale partings. Thickness of shales increase downward. Reeflike bodies common. Limestone layers fossiliferous. Shale and reefs very fossiliferous with much greater variety of fossils.

Primary reference: T. Gillette. 1947. The Clinton of Western and Central New York. New York State Museum Bulletin (341) [L. Ivany/P. Wall]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 82502: authorized by Linda Ivany, entered by Patrick Wall on 28.07.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

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Crinoidea
 Sagenocrinida - Lecanocrinidae
Lecanocrinus macropetalus
Blastoidea
 Coronata - Stephanocrinidae
Stephanocrinus gemmiformis
Strophomenata
 Orthotetida - Schuchertellidae
Schuchertella subplana, Schuchertella tenuis
 Strophomenida - Sowerbyellidae
"Sowerbyella transversalis" = Eoplectodonta (Eoplectodonta) transversalis
"Sowerbyella transversalis" = Eoplectodonta (Eoplectodonta) transversalis Wahlenberg 1818
 Strophomenida - Strophodontidae
"Stropheodonta deflecta" = Strophomena (Strophodonta), "Stropheodonta profunda" = Brachyprion (Protomegastrophia) profunda
"Stropheodonta deflecta" = Strophomena (Strophodonta)
"Stropheodonta profunda" = Brachyprion (Protomegastrophia) profunda Hall 1852
 Strophomenida - Rafinesquinidae
Leptaena rhomboidalis
Leptaena rhomboidalis Wahlenberg 1818
Rhynchonellata
 Pentamerida - Clorindidae
Clorinda fornicata
 Spiriferida - Reticulariidae
Reticularia bicostata
 Spiriferida - Spiriferidae
Spirifer eudora, Spirifer niagarensis
 Spiriferida - Cyrtiidae
"Spirifer radiatus" = Eospirifer radiatus
"Spirifer radiatus" = Eospirifer radiatus Sowerby 1834
 Athyridida - Meristellidae
Whitfieldella cylindrica, Whitfieldella intermedia, Whitfieldella nitida
 Atrypida - Atrypinidae
Atrypina disparilis
 Atrypida - Atrypidae
Atrypa reticularis, "Atrypa nodostriata" = Eospinatrypa nodostriata
Atrypa reticularis Linnaeus 1758
"Atrypa nodostriata" = Eospinatrypa nodostriata Hall 1852
 Rhynchonellida - Camarotoechiidae
Camarotoechia neglecta
 Orthida - Dicoelosiidae
"Bilobites biloba" = Dicoelosia
"Bilobites biloba" = Dicoelosia
 Orthida - Dalmanellidae
Dalmanella elegantula
Stenolaemata
 Cystoporata - Fistuliporidae
Chilotrypa ostiolata
  - Phylloporinidae
Chasmatopora asperatostriata
 Trepostomida - Monticuliporidae
Mesotrypa nummiformis
 Cryptostomata - Rhinoporidae
Rhinopora verrucosa, Stictotrypa punctipora
 Cryptostomata - Semicosciniidae
Semicoscinium tenuiceps
Cephalopoda
 Ammonitida - Hoplitidae
"Dawsonoceras annulatum" = Orthocera annulata
"Dawsonoceras annulatum" = Orthocera annulata Sowerby 1816 ammonite
Bivalvia
 Ostreida - Pterineidae
Pterinea emacerata
Ostracoda
 Beyrichiacea - Zygobolbidae
Mastigobolbina punctata, Mastigobolbina typus
 Palaeocopida - Beyrichiidae
Dibolbina sp.
Dibolbina sp. Ulrich and Bassler 1923 ostracod
Trilobita
 Phacopida - Dalmanitidae
Dalmanites limulurus
Scyphozoa
 Conulariida - Conulariidae
Conularia niagarensis
Anthozoa
 Stauriida - Streptelasmatidae
Enterolasma caliculum
 Favositida - Favositidae
Favosites pyriformis
Favosites pyriformis tabulate coral