Actinopteria zone, Syracuse Formation, Onondaga and Madison Cos., NY (Silurian of the United States)

Where: Onondaga/Madison County, New York (43.1° N, 76.3° W: paleocoordinates 27.6° S, 43.2° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Upper Dolomite Member (Syracuse Formation), Silurian (443.4 - 419.2 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; shale and dolomite

• shale and dolomite

Primary reference: W. P. Leutze. 1956. Faunal stratigraphy of Syracuse Formation, Onondaga and Madison Counties, New York. Bulletin of the American Association of Petroleum Geologists 40(7):1693-1698 [A. Miller/K. Layou]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 10456: authorized by Arnold Miller, entered by Karen Layou on 17.04.2001, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

 Leperditicopida - Leperditiidae
 Xiphosurida - Eurypteridae
Eurypterus remipes DeKay 1825 eurypterid
 Xiphosurida - Pterygotidae
Pterygotus ? sp. eurypterid
 Athyridida - Meristellidae
Whitfieldella ? sp. Hall and Clarke 1893
 Rhynchonellida - Camarotoechiidae
Camarotoechia ? sp. Hall and Clarke 1893
 Ostreida - Pterineidae
Actinopteria sp. Hall 1884 oyster
 Protobranchia - Ctenodontidae
Gastropoda indet. Cuvier 1797 snail
 Oncocerida - Hemiphragmoceratidae
 Conulariida - Conulariidae
Conularia sp. jellyfish