Roragen-2a (Devonian of Norway)

Also known as The small Valley of the Lerbekken Stream/Location 3 and 4

Where: Sor-Trondelag, Norway (62.6° N, 11.3° E: paleocoordinates 15.1° S, 0.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lerbekk Formation, Early/Lower Devonian (419.2 - 393.3 Ma)

• not much information available about these localities

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial; gray, conglomeratic sandstone and gray, conglomeratic slate

• Sediments are possibly from a braided river system with adjacent floodplains.
• Lithology is of sandstones and gray slates, and phylltic breccias, some of these with pyrite or iron oxides on surface or in some cases froming permineralized regions.

Size class: macrofossils

Collection methods: Schweitzer's studies are based on collections by O. Selling.

Primary reference: H. Schweitzer and G. Heumann. 1993. Lower Devonian Flora of Roragen, in Southeast Norway. Palaeontographica 229:1-52 [P. Gensel/A. Tuell/A. Tuell]more details

PaleoDB collection 21195: authorized by Pat Gensel, entered by Allison Tuell on 20.06.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Drepanophycus spinaeformis
  -
Psilophytopsida
 Psilophytales - Psilophytaceae
Hostinella
  -
Hostinella "sp. A" Barrande 1882
Hostinella "sp. B" Barrande 1882
Aphyllopteris
  -
Aphyllopteris sp. Nathorst 1915