Gerigoan, 158-159 (Jurassic of Somalia)

Where: Somalia (10.3° N, 42.8° E: paleocoordinates 11.2° S, 27.4° E)

• coordinate stated in text

• small collection-level geographic resolution

When: intermediate Member (Sa Wer Formation), Oxfordian (163.5 - 157.3 Ma)

• sample 158-159

• bed-level stratigraphic resolution

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

• massive pure limestones with cherty nodules, alternating with subordinate calcareous marls

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 100383: authorized by Wolfgang Kiessling, entered by Uta Merkel on 08.12.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Terebratulida - Postepithyrididae
"Lophrothyris cf. subsella" = Xestosina subsella
"Lophrothyris cf. subsella" = Xestosina subsella Leymerie 1846
Gastropoda
 Heterostropha - Nerineidae
"Cossmannea somaliensis" = Nerinea somaliensis
"Cossmannea somaliensis" = Nerinea somaliensis Weir 1925 snail
Bivalvia
 Lucinida - Lucinidae
Lucina sp. Bruguière 1797 clam
 Pholadida - Ceratomyidae
Ceratomya excentrica Roemer 1836 clam
 Cardiida - Cardiidae
Protocardia somaliensis Cox 1935 cockle