Ravine south of Dinosaurus Kloft, Gervillia horizon (Jurassic of Greenland)

Where: Greenland (70.5° N, 22.6° W: paleocoordinates 52.2° N, 5.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Pliensbachian (190.8 - 182.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, concretionary sandstone and lithified, concretionary shale

• sandstones with subordinate beds of shale, fossils occur in concretions

Size class: macrofossils

Collected by A. Rosenkrantz in 1926

• Repository: (presumed) University of Coppenhagen

Primary reference: A. Rosenkrantz. 1934. The Lower Jurassic Rocks of East Greenland Part 1. Meddelelser Om Gronland 110(1):4-122 [M. Clapham/M. Manojlovic/M. Manojlovic]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 161981: authorized by Matthew Clapham, entered by Marko Manojlovic on 16.09.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Mytilida - Mytilidae
Mytilus sp. Linnaeus 1758 mussel
 Pectinida - Pseudomonotidae
 Ostreida - Bakevelliidae
Gervillia ? sp. Defrance 1820 oyster
Gervillia ? sp. nov. A
 Ostreida - Gryphaeidae
 Cardiida - Cyrenidae
Cyrena ? sp. Lamarck clam
 Pholadida - Pleuromyidae
Pleuromya sp. Meek 1873 clam
Pleuromya sp. indet.
 Pholadida - Ceratomyidae
Ceratomya sp. Sandberger 1864 clam