Escuminac A (Devonian of Canada)

Also known as Scaumenac Bay and Miguasha

Where: Quebec, Canada (48.1° N, 66.3° W)

• Paleocoordinates: 26.8° S, 35.1° W (Wright 2013)

• coordinate estimated from map

• small collection-level geographic resolution

When: Escuminac Formation (Miguasha Group), Early/Lower Frasnian (383.7 - 382.4 Ma)

• age determination based on dispersed spores.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified, gray, calcareous mudstone

• depositional environment debated. some say Lacustrine, others suggest Brackish to Marine. no Marine Palynomorphs have been found.
• fine-grained calcareous mudstones about 1.5 meters above the base of the formation.

Size classes: macrofossils, microfossils

Preservation: mold/impression, adpression, coalified, original carbon, original sporopollenin

Collection methods: quarrying, surface (float), chemical, mechanical,

Primary reference: P.G. Gensel and M. Barnett-Lawrence. 1996. Plant megafossils from the Escuminac Formation. Devonian Fishes and Plants of Miguasha, Quebec, Canada 79-90 [P. Gensel/P. Gensel/P. Gensel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 26082: authorized by Pat Gensel, entered by Pat Gensel on 02.10.2002

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Zosterophyllopsida
  -
cf. Barinophyton indet.
cf. Barinophyton indet. White 1905
Type A of Gensel & Barnett-Lawrence
Protobarinophyton
  -
cf. Protobarinophyton indet.
cf. Protobarinophyton indet. Ananiev 1955
Type B of Gensel & Barnett-Lawrence