Niagara Gorge - Rochester Shale 125-145 feet (Silurian of the United States)

Where: Niagara County, New York (43.2° N, 79.1° W: paleocoordinates 26.8° S, 45.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Rochester Formation (Clinton Group), Wenlock (433.4 - 427.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, brown, gray, blue, calcareous shale and lithified limestone

• Bluish gray, some brown-gray, calcareous shale with numerous limestone layers. Very fossiliferous with great diversity of fauna. Layers rich in fossils are interbedded with others practically barren

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: biostratigraphic analysis

PaleoDB collection 81783: authorized by Linda Ivany, entered by Patrick Wall on 15.07.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Dalmanitidae
 Corynexochida - Illaenidae
Bumastus ioxus Hall 1868 trilobite
Gastropoda
 Euomphalina - Platyceratidae
"Diaphorostoma niagarense" = Platyostoma niagarensis, Platyceras angulatum
"Diaphorostoma niagarense" = Platyostoma niagarensis Hall 1852 snail
Platyceras angulatum Hall 1852 snail
Bivalvia
 Ostreida - Pterineidae
Cephalopoda
 Orthocerida - Dawsonoceratidae
Stenolaemata
 Cryptostomata - Semicosciniidae
 Cryptostomata - Rhinoporidae
 Cystoporata - Ceramoporidae
  - Phylloporinidae
Rhynchonellata
 Orthida - Dalmanellidae
 Orthida - Rhipidomellidae
 Orthida - Hesperorthidae
"Orthis flabellites" = Dolerorthis flabellites
"Orthis flabellites" = Dolerorthis flabellites Foerste 1889
 Athyridida - Meristellidae
 Rhynchonellida - Camarotoechiidae
 Rhynchonellida - Trigonirhynchiidae
 Spiriferida - Cyrtiidae
"Spirifer radiatus" = Eospirifer radiatus
"Spirifer radiatus" = Eospirifer radiatus Sowerby 1834
 Spiriferida - Spiriferidae
 Atrypida - Atrypidae
Atrypa reticularis Linnaeus 1758
"Atrypa nodostriata" = Eospinatrypa nodostriata Hall 1852
Strophomenata
 Strophomenida - Sowerbyellidae
"Sowerbyella transversalis" = Eoplectodonta (Eoplectodonta) transversalis
"Sowerbyella transversalis" = Eoplectodonta (Eoplectodonta) transversalis Wahlenberg 1818
 Strophomenida - Rafinesquinidae
Leptaena rhomboidalis Wahlenberg 1818
 Strophomenida - Amphistrophiidae
"Strophonella striata" = Amphistrophia striata
"Strophonella striata" = Amphistrophia striata Hall 1843
 Strophomenida - Strophonellidae
 Orthotetida - Schuchertellidae
Craniata
 Craniopsida - Craniopsidae
"Pholidops squamiformis" = Craniops
"Pholidops squamiformis" = Craniops
Pterobranchia
 Dendroidea - Acanthograptidae
Anthozoa
 Favositida - Favositidae
Favosites hisingeri Milne-Edwards and Haime 1851 tabulate coral
 Stauriida - Streptelasmatidae