Corunna Locality Michigan Coal Basin (Permian of the United States)

Where: Michigan (43.0° N, 84.2° W: paleocoordinates 5.6° N, 14.1° W)

When: Permian (298.9 - 251.9 Ma)

Environment/lithology: mire or swamp; coal and shale

• Plants from the Owossa Coal Co. site were found in a shaly nodule. Those from the New Corunna Brick Co. site were found a sandstone lentil from one of the beds in the quarry.

Size class: macrofossils

Preservation: adpression

Primary reference: C. A. Arnold. 1949. Fossil Flora of the Michigan Coal Basin. Contributions from the Musuem of Paleontology: University of Michigan 7(9):131-269 [R. Gastaldo/J. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 10887: authorized by Robert Gastaldo, entered by Jonathan Allen on 02.07.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

Polypodiopsida
 Equisetales - Equisetidae
 Marattiales - Marattiidae
 Radiatopses - Medullosaceae
Archaeopteridopsida
 Archaeopteridales - Archaeopteridaceae
 Cardiocarpales -
"Cardiocarpon ovale" = Cardiocarpus, "Cardiocarpon bicuspidatum" = Cardiocarpus, "Cardiocarpon sp." = Cardiocarpus
"Cardiocarpon ovale" = Cardiocarpus
Owosso Coal Co. site
"Cardiocarpon bicuspidatum" = Cardiocarpus
Owosso Coal Co. site
"Cardiocarpon sp." = Cardiocarpus Brongniart 1881
Pinopsida
 Cordaitanthales -
Cordaites ? Robbii Unger 1850
Owosso Coal Co. site
Cordaites sp. Unger 1850
 Coniferales -
Samaropsis Newberryi Göppert 1864
 Gigantopteridales - Gigantopteridaceae
"Megalopteris Dawsoni" = Gigantopteris, "Megalopteris Kellyi" = Gigantopteris
"Megalopteris Dawsoni" = Gigantopteris Geyler 1886
"Megalopteris Kellyi" = Gigantopteris Geyler 1886