Oneida Outlet - Williamson (Silurian of the United States)

Where: Onondaga County, New York (43.2° N, 76.1° W)

• Paleocoordinates: 28.7° S, 90.2° W (Wright 2013)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Williamson Formation (Clinton Group), Telychian (438.5 - 433.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology: offshore; lithified, pyritic, green shale and lithified, shelly/skeletal grainstone

• Green fissile shale with minor limestone lenses, pyrite. Some lenses composed mostly 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 82558: authorized by Linda Ivany, entered by Patrick Wall on 28.07.2008

Creative Commons license: CC0 (CC0)

Taxonomic list

unclassified
  -
Anthozoa
 Stauriida - Streptelasmatidae
 Cystiphyllida - Tryplasmatidae
"Palaeocyclus rotuloides" = Porpites rotuloides
"Palaeocyclus rotuloides" = Porpites rotuloides Hall 1852 horn coral
Trilobita
 Phacopida - Calymenidae
 Phacopida - Dalmanitidae
Ostracoda
 Palaeocopida - Zygobolbidae
 Palaeocopida - Beyrichiidae
Dibolbina sp. Ulrich and Bassler 1923 ostracod
Lingulata
 Lingulida - Lingulidae
Rhynchonellata
 Spiriferida - Cyrtiidae
Cyrtia meta, "Spirifer radiatus" = Eospirifer radiatus
"Spirifer radiatus" = Eospirifer radiatus Sowerby 1834
 Rhynchonellida - Leptocoeliidae
"Coelospira sulcata" = Eocoelia sulcata
"Coelospira sulcata" = Eocoelia sulcata Prouty 1923
 Rhynchonellida - Camarotoechiidae
 Orthida - Dicoelosiidae
"Bilobites biloba" = Dicoelosia
"Bilobites biloba" = Dicoelosia
 Atrypida - Atrypidae
Atrypa reticularis Linnaeus 1758
Strophomenata
 Strophomenida - Chonetidae
 Strophomenida - Rafinesquinidae
Leptaena rhomboidalis Wahlenberg 1818
 Strophomenida - Sowerbyellidae
"Sowerbyella transversalis" = Eoplectodonta (Eoplectodonta) transversalis
"Sowerbyella transversalis" = Eoplectodonta (Eoplectodonta) transversalis Wahlenberg 1818
 Orthotetida - Schuchertellidae
Bivalvia
 Solemyida - Ctenodontidae
 Ostreida - Pterineidae
Gastropoda
 Euomphalina - Platyceratidae
Cyclonema varicosum Hall 1861 snail
Pterobranchia
 Graptoloidea - Retiolitidae
Retiolites geinitzianus Barrande 1850 graptolite
venosus
 Graptoloidea - Monograptidae
 Dendroidea - Acanthograptidae