Eurypterid-Associated Biota of the Chrysler (Silurian of the United States)

Where: New York (43.1° N, 76.2° W: paleocoordinates 31.0° S, 38.6° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Chrysler Member (Rondout Formation), Pridoli (423.0 - 419.2 Ma)

• formation-level stratigraphic resolution

Environment/lithology: peritidal; dolomite and limestone

• "Rickard (1962) suggested that the Chrysler represented 'very shallow quiet waters, occasional subaerial exposure; salinity possibly higher than normal.' A BA 1 unit" Ebert and Matteson:"alternations of supratidal, intertidal and rarely subtidal..":

•

•2003:05:03 SEP environmental call based on given info and knowledge of area

• "laminated dolomite and limestone" Ebert and Matteson: "cycles of thick, relatively limey beds overlain by laminated and mudcracked dolostone."

Size class: macrofossils

Primary reference: R. E. Plotnick. 1999. Habitat of Llandoverian-Lochkovian eurypterids. In A. J. Boucot, J. D. Lawson (eds.), Paleocommunities - a case study from the Silurian and Lower Devonian 106-136 [M. Foote/M. Foote/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 26869: authorized by Michael Foote, entered by Michael Foote on 06.11.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
  -
Cephalopoda indet.
Cephalopoda indet. Cuvier 1797
Rhynchonellata
 Spiriferida - Delthyrididae
Howellella sp.
Howellella sp. Kozlowski 1946
Euchelicerata
 Eurypterida - Pterygotidae
Pterygotus sp.
Pterygotus sp. Agassiz 1839 eurypterid
 Eurypterida - Erieopteridae
Erieopterus microphthalmus