Margrethe Valley (Permian of Greenland)

Where: Greenland (73.3° N, 22.7° W: paleocoordinates 30.2° N, 14.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Ravnefjeld Formation, Wuchiapingian (259.9 - 254.2 Ma)

• "Posidonmya shales"

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified shale

Size class: macrofossils

Collected by Danish East Greenland expeditions in 1926-1927,1929

• Chiefly collected in 1929

Primary reference: E. Nielsen. 1932. Permo-Carboniferous fishes from east Greenland. Meddelelser om Grønland 86(3):1-63 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122148: authorized by Matthew Clapham, entered by Matthew Clapham on 17.12.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Palaeonisciformes - Palaeoniscidae
Palaeoniscidae indet. Vogt 1852
jaw fragment