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

Where: Onondaga/Madison County, New York (43.1° N, 76.1° W: paleocoordinates 27.6° S, 43.0° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Transition Member (Syracuse Formation), Silurian (443.8 - 419.2 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; gray conglomerate and dolomite

• conglomeratic bed overlain by alternating beds of light gray shale and medium gray dolomite; the conglomerate bed and fossiliferous dolomite constitute the Slimonia zone

Size class: macrofossils

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 10454: authorized by Arnold Miller, entered by Karen Layou on 17.04.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Rhytimia cf. buffaloensis
Gastropoda
 Murchisoniina - Loxonematidae
Loxonema sp.
Loxonema sp. Phillips 1841 snail
 Euomphalina - Holopeidae
Raphistomina sp.
Raphistomina sp. Ulrich and Scofield 1897 snail
Bivalvia
 Solemyida - Ctenodontidae
Ctenodonta salinensis
 Ostreida - Pterineidae
Pterinea cf. jordani
Euchelicerata
 Eurypterida -
Waeringopterus apfeli
Ostracoda
 Leperditicopida - Leperditiidae
Leperditia cf. alta