Grand Ledge Locality Michigan Coal Basin (Carboniferous of the United States)

Where: Michigan (42.8° N, 84.9° W: paleocoordinates 5.0° S, 20.8° W)

When: Saginaw Group, Pennsylvanian (323.2 - 298.9 Ma)

• group-level stratigraphic resolution

Environment/lithology: mire or swamp; coal

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 10889: authorized by Robert Gastaldo, entered by Jonathan Allen on 02.07.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Trigonocarus sp.
Peltaspermopsida
 Peltaspermales - Peltaspermaceae
Odontopteris sp.
Odontopteris sp. Brongniart 1825
Equisetopsida
 Sphenophyllales -
Bowmanites sp., Sphenophyllum cuneifolium, Sphenophyllum majus, Sphenophyllum emarginatum
Bowmanites sp. Binney 1871
Sphenophyllum emarginatum Brongniart 1822
 Radiatopses - Medullosaceae
Neuropteris caudata, Neuropteris obliqua, Neuropteris rarinervis, Neuropteris sp., Neuropteris flexuosa, Neuropteris cf. harrisi, Neuropteris scheuchzeri, Neuropteris tenuifolia
Neuropteris sp. Brongniart 1828
 Cardiocarpales -
"Cardiocarpon cuyahogae" = Cardiocarpus, "Cardiocarpon late-alatum" = Cardiocarpus, "Cardiocarpon annulatum" = Cardiocarpus
"Cardiocarpon cuyahogae" = Cardiocarpus
"Cardiocarpon late-alatum" = Cardiocarpus Brongniart 1881
"Cardiocarpon annulatum" = Cardiocarpus
 Coniferales -
Lepidostrobus bartlettii, Samaropsis newberryi
Pinopsida
 Cordaitanthales -
Cordaites sp., Cordaites michiganensis, Cordaites crassinervis, Cordaites borassifolius, Cordaites principalis, Cordaites palmaeformis
Cordaites sp. Unger 1850
Polypodiopsida
 Equisetales - Equisetidae
Asterophyllites equisetiformis, Asterophyllites sp., Asterophyllites vernensis, Calamites sp., Calamites schutzeiformis, Calamites carinatus, Calamites cistii, Calamites suckowii, Annularia sphenophylloides, Annularia asteris
Asterophyllites sp. Brongniart 1828
Calamites sp. Suckow 1784
Calamites suckowii Brongniart 1828
Pteridopsida
 Filicales -
Palmatopteris furcata
Palmatopteris furcata Brongniart 1893
Megalopteris dawsoni
  -
Megalopteris dawsoni
Pteropsida
 Filicinae -
Pecopteris miltoni, "Alethopteris decurrens" = Pecopteris (Alethopteris)
"Alethopteris decurrens" = Pecopteris (Alethopteris)
  -
? Pseudopecopteris sp.
? Pseudopecopteris sp. Grand'Eury 1877
 Cordaitales -
Cordaianthus devonicus, Cordaianthus ampullaceus
Sigillariaceae
  - Sigillariaceae
Sigillaria sp.
Sigillaria sp. Brongniart 1822
 Lepidodendrales - Lepidodendraceae
Lepidodendron lanceolatum, Lepidodendron lycopodiodes, Lepidodendron obvatum, Lepidodendron aculeatum, Lepidodendron obovatum
Lepidodendron aculeatum Sternberg 1820
Lepidodendron obovatum Sternberg 1820
 Gigantopteridales - Gigantopteridaceae
"Megalopteris kellyi" = Gigantopteris
"Megalopteris kellyi" = Gigantopteris
Ginkgophyllum
  -
Ginkgophyllum grandifolium
Ginkgoopsida
 Callistophytales -
Eremopteris michiganensis
Diplothmema
  -
Diplothmema sp.
Diplothmema sp. Stur 1877
Rhabdocarpos
  -
"Rhabdocarpus multistriatus" = Rhabdocarpos, "Rhabdocarpus mammilaris" = Rhabdocarpos, "Rhabdocarpus mansfieldi" = Rhabdocarpos
"Rhabdocarpus multistriatus" = Rhabdocarpos
"Rhabdocarpus mammilaris" = Rhabdocarpos
"Rhabdocarpus mansfieldi" = Rhabdocarpos
Neuropteris heterophylla
  -
"Neuropteris cf. heterophylla" = Imparipteris heterophylla
"Neuropteris cf. heterophylla" = Imparipteris heterophylla Brongniart 1825
Discinites
  -
Discinites delectus, Discinites jongmansi