Locality 47. Thunder Bay River at Norway Point Dam (Devonian of the United States)

Where: Alpena County, Michigan (45.2° N, 83.4° W: paleocoordinates 33.2° S, 29.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Norway Point Formation (Traverse Group), Givetian (387.7 - 382.7 Ma)

• varcus

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Primary reference: A. L. Rode and B. S. Lieberman. 2004. Using GIS to unlock the interactions between biogeography, environment, and evolution in middle and Late Devonian brachiopods and bivalves. Palaeogeography, Palaeoclimatology, Palaeoecology 211(3-4):345-359 [A. Stigall/A. Stigall/A. Stigall]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 55088: authorized by Alycia Stigall, entered by Alycia Stigall on 27.09.2005, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Conodonta
 Ozarkodinida - Polygnathidae
Polygnathus varcus2 Stauffer 1940 conodont
Sample 2C, 31.3-39.7 ft. from base; Shale, gray, highly calcareous, platy
 Prioniodontida - Icriodontidae
Icriodus latericrescens2 Branson and Mehl 1938 conodont
Icriodus latericrescens latericrescens; ditto above
Rhynchonellata
 Spiriferida - Spinocyrtiidae
Gastropoda
 Bellerophontida - Bellerophontidae
Bellerophon newberryi4 Meek 1871 snail
Bivalvia
 Nuculida - Nuculidae
Nuculoidea cf. lirata3 Conrad 1842 nut clam
 Cardiidia - Grammysiidae
Grammysia sp.3 de Verneuil 1847 clam
 Solenida - Orthonotidae
Orthonota undulata3 Conrad 1841 clam
Trilobita
 Proetida - Proetidae
Basidechenella pulchra1 Stumm 1965 trilobite