Eurypterid-Associated Biota of the Pointe aux Chenes Fm., St. Ignace, Michigan (Silurian of the United States)

Where: Michigan (45.9° N, 84.7° W: paleocoordinates 25.7° S, 43.2° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Pointe aux Chenes Formation, Pridoli (423.0 - 419.2 Ma)

• formation-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; dolomitic shale

• "BA 1 as indicted by the brachiopods and Leperditia"

•SEP environmental call based on scanty given info. and knowledge of regional geology; I know evaporites to be associated with this unit

• "dolomitic shale, with gypsum"

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 26873: 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
Rhynchonellata
 Athyridida - Meristellidae
Whitfieldella sp.
Whitfieldella sp. Hall and Clarke 1893
Lingulata
 Lingulida - Discinidae
Orbiculoidea sp.
Orbiculoidea sp. d'Orbigny 1847
 Lingulida - Lingulidae
Lingulidae indet.
Bivalvia
  -
"Pelecypoda indet." = Bivalvia
"Pelecypoda indet." = Bivalvia Linnaeus 1758 clam
Eurypterida
 Eurypterida -
Eurypterida indet.
Eurypterida indet. Burmeister 1843 eurypterid
fragments
Ostracoda
 Leperditicopida - Leperditiidae
Leperditia sp.
Leperditia sp. Rouault 1851 ostracod