Beaver Creek? Irondequoit lower (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)

• bottom 7 feet

• formation-level stratigraphic resolution

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

• Bluish-gray calcareous shale with a few limestone layers.

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 82503: authorized by Linda Ivany, entered by Patrick Wall on 28.07.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Ostracoda
 Palaeocopida - Zygobolbidae
Rhynchonellata
 Spiriferida - Cyrtiidae
"Spirifer radiatus" = Eospirifer radiatus
"Spirifer radiatus" = Eospirifer radiatus Sowerby 1834
 Atrypida - Atrypidae
Atrypa reticularis Linnaeus 1758
 Pentamerida - Clorindidae
 Athyridida - Meristellidae
 Orthida - Dicoelosiidae
"Bilobites biloba" = Dicoelosia
"Bilobites biloba" = Dicoelosia
 Orthida - Dalmanellidae
Strophomenata
 Strophomenida - Rafinesquinidae
Leptaena rhomboidalis Wahlenberg 1818