Chieftain No.20 Flora of Vigo County, Indiana (Carboniferous of the United States)

Where: Vigo County, Indiana (39.3° N, 87.5° W: paleocoordinates 12.0° S, 29.3° W)

• coordinate based on political unit

When: Busseron Sandstone Member (Shelburn Formation), Carboniferous (358.9 - 298.9 Ma)

Environment/lithology: ironstone and shale

• Ironstone concretions occuring in a shale section of Busseron Sandstone. Shale is light gray, thickness varying (0-20 feet) minor rounded quartz sands. Ironstone concretions enclose plants of Upper Allegheny-Lower Conemaugh Age

Preservation: adpression, coalified

Collection methods: surface (float),

Primary reference: R. F. Boneham. 1974. Chieftain No.20 Flora (Middle Pennsylvanian) of Vigo County Indiana. Proceedings of the Indiana Academy of Science 84:89-113 [R. Gastaldo/J. Allen]more details

PaleoDB collection 12668: authorized by Robert Gastaldo, entered by Jonathan Allen on 25.11.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

Neuropteris heterophylla
  -
"Neuropteris cf. heterophylla" = Imparipteris heterophylla
"Neuropteris cf. heterophylla" = Imparipteris heterophylla Brongniart 1825
Pteropsida
 Filicinae -
Pteridopsida
 Filicales -
Palmatopteris furcata Brongniart 1893
Polypodiopsida
 Schizaeales - Polypodiidae
 Marattiales - Marattiidae
 Equisetales - Equisetidae
Mixoneura
  -
Neuropteridae
  - Neuropteridae
Ginkgoopsida
 Callistophytales -
? Dicksonites pluckeneti Schlotheim 1881
Sigillariaceae
  - Sigillariaceae
 Lepidodendrales - Lepidodendraceae
Macrostachya
  -
Macrostachya sp. Schimper 1869
Codonotheca
  -
? Codonotheca sp. Sellards 1903
Codonotheca caduca
  -
Codonotheca caduca Sellards 1903
Crossotheca
  -
Lepidophyllum
  -
Aphlebia
  -
Aphlebia sp. Presl 1838
Sigillaria monostigma
  -
"Sigillaria monostigma" = Pseudosigillaria monostigma
"Sigillaria monostigma" = Pseudosigillaria monostigma Lesquereux 1866
Stigmaria ficoides
  -
Stigmaria ficoides Sternberg 1822
Pinopsida
 Cordaitanthales -
Bothrodendron
  -
Peltaspermopsida
 Peltaspermales - Peltaspermaceae
Equisetopsida
 Sphenophyllales -
 Radiatopses - Medullosaceae