Briery Gap Run (Devonian to of the United States)

Where: LaVale County, Maryland (39.8° N, 78.8° W: paleocoordinates 34.1° S, 27.8° W)

• coordinate stated in text

When: Mallow Member (Foreknobs Formation), Frasnian to Frasnian (382.7 - 358.9 Ma)

• member-level stratigraphic resolution

Environment/lithology: gray siltstone

• Siltstone, dark grey with disseminated carbonaceous material

Size class: microfossils

Collection methods: bulk, chemical,

Primary reference: R. P. Curry. 1975. Miospores from the Upper Devonian (Frasnian) Greenland Gap Group, Allegheny Front, Maryland, West Virginia and Virginia, U.S.A. Review of Palaeobotany and Palynology 20:119-131 [W. Stein/D. Horvath/D. Horvath]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 23578: authorized by Bill Stein, entered by Dylan Horvath on 17.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Dictyotriletes sp.
miospore sp.sensu
Ancyrospora sp.
miospore sp. sensu Brideaux and Radforth, 1970
Inaperaturate sp.
grain sensu Wray, 1964
 Life -
Sphenopsida
  -
Pteridopsida
 Schizaeales -
Verrucosisporites
  -
Lycopsida
  - Selaginellaceae
Acanthotriletes
  -
Anapiculatisporites
  -
Emphanisporites
  -
Emphanisporites rotatus Macgregor 1973
miospore
Lophotriletes
  -
Samarisporites
  -
Retusotriletes
  -
Punctatisporites
  -