Gerigoan, 126-129 (Jurassic to of Somalia)

Where: Somalia (10.3° N, 42.8° E: paleocoordinates 11.1° S, 27.7° E)

• coordinate stated in text

• small collection-level geographic resolution

When: basal Member (Sa Wer Formation), Bathonian to Bathonian (168.3 - 163.5 Ma)

• samples 126-129

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified grainstone and lithified marl

• well-bedded yellowish calcarenite and sandy marls, very fine, light gray limestones, sometimes dolomitized

Size class: macrofossils

Preservation: cast

Primary reference: E. Abbate, G. Ficcarelli, C. Pirini Radrizzani, A. Salvietti, D. Torre and A. Turi. 1974. Jurassic sequences from the Somali coast of the Gulf of Aden. Rivista Italiana di Paleontologia e Stratigrafia 80(3):409-478 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 100377: authorized by Wolfgang Kiessling, entered by Uta Merkel on 08.12.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Gryphaeidae
Gryphaea costellata Douvillé 1916 oyster
Rhynchonellata
 Terebratulida - Loboidothyrididae
 Rhynchonellida - Tetrarhynchiidae
Echinoidea
 Irregularia - Clypeidae
Clypeus williei sea urchin