Banner Wellington Flora (Permian of the United States)

Also known as Elmo (Banner City was the former name of same town)

Where: Dickinson County, Kansas (38.4° N, 98.8° W: paleocoordinates 6.1° N, 26.1° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Wellington Formation, Rotliegendes (283.5 - 259.5 Ma)

• The Early/Lower call is based on the use of Rothleigende to descibe the beds from which the same taxa are known in Europe.

• bed-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; lithified, gray dolomite

• As both Kansas and Texas were near the western edge of Pangaea, it is likely that large areas with arid climate existed in this part of the late Paleozoic megacontinent. The dolostone with algal laminations in which Phasmatocycas was found in Kansas was probably formed in a sabkha enivornment (Gillespie and Pfefferkorn 1986).
• The fossiliferous bed is a dolostone, about 10cm thick and grayish orange (10YR 7/4) with lighter colored mottling. The matrix is extremely hard, with very fine algal laminations, and emits a faint bituminous odor when freshly split. Plant remains occur throughout the rock, but are mostly concentrated on a bedding plane in the approximate center of the bed.

Size class: macrofossils

Preservation: coalified

Reposited in the USNM

• Very limited geological information in White (1912). Most geological information is drawn from Gillespie and Pfefferkorn (1986).

Primary reference: D. White. 1912. The characters of the fossil plant Gigantopteris Schenk and its occurrence in North America. Proceedings of the United States National Museum 41:493-516 [H. Sims/S. Ostrowski/A. McGowan]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 11154: authorized by Hallie Sims, entered by Summer Ostrowski on 23.07.2001, edited by Heather Lindon

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Carpolithes
  -
Carpolithes sp.
Carpolithes sp. Schlotheim 1820
Peltaspermopsida
 Peltaspermales - Peltaspermaceae
Callipteris subauriculata, Callipteris whitei, Callipteris cf. scheibei
Equisetopsida
 Sphenophyllales -
Sphenophyllum obovatum
Noeggerathia
  -
Noeggerathia sp.
Noeggerathia sp. Sternberg 1822
Glenopteris
  -
Glenopteris lineata, Glenopteris sterlingi
Glenopteris splendens
  -
Glenopteris splendens
Glenopteris splendens Sellards 1900
Taeniopteris coriacea
  -
"Taeniopteris coriacea" = Spermopteris coriacea
"Taeniopteris coriacea" = Spermopteris coriacea Goeppert 1864
standard, plus var. linearis