Sa Warabis, 217-232 (Jurassic to of Somalia)

Where: Somalia (10.2° N, 43.1° E: paleocoordinates 11.7° S, 27.8° E)

• coordinate stated in text

• small collection-level geographic resolution

When: upper Member (Sa Wer Formation), Oxfordian to Oxfordian (163.5 - 150.8 Ma)

• samples 217-232

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal; lithified limestone and lithified, calcareous marl

• thick beds of gray calcareous marls and limestones

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 100372: authorized by Wolfgang Kiessling, entered by Uta Merkel on 08.12.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Terebratulida - Zeilleriidae
"Ornithella farquharsoni" = Microthyridina farquharsoni
"Ornithella farquharsoni" = Microthyridina farquharsoni Muir-Wood 1935
 Terebratulida - Postepithyrididae
"Lophrothyris cf. subsella" = Xestosina subsella, Somalithyris macfadyeni
"Lophrothyris cf. subsella" = Xestosina subsella Leymerie 1846
Somalithyris macfadyeni Muir-Wood 1935
Cephalopoda
 Ammonitida - Ataxioceratidae
 Nautilida - Paracenoceratidae
Paracenoceras hexagonum Sowerby 1826 nautiloid
 Belemnitida - Belemnitidae
"Belemnopsis ex gr. tanganensis" = Belemnites (Belemnopsis) tanganensis
"Belemnopsis ex gr. tanganensis" = Belemnites (Belemnopsis) tanganensis Futt 1894 belemnite
Gastropoda
 Pleurotomarioidea - Pleurotomariidae
Pleurotomaria sp. Defrance 1826 snail
 Turbinoidea - Proconulidae
Proconulus arabiensis Newton 1908 snail
 Sorbeoconcha - Aporrhaidae
"Alaria cf. berlieri" = Dicroloma
"Alaria cf. berlieri" = Dicroloma snail
Bivalvia
 Nuculida - Nuculidae
Palaeonucula cuneiformis Sowerby 1840 nut clam
 Mytilida - Mytilidae
"Modiolus imbricatus" = Modiolus (Modiolus) imbricatus
"Modiolus imbricatus" = Modiolus (Modiolus) imbricatus Sowerby 1818 mussel
 Ostreida - Pinnidae
Pinna sp. Linnaeus 1758 oyster
 Ostreida - Gryphaeidae
Gryphaea balli Stefanini 1925 oyster
 Arcida - Parallelodontidae
 Cardiida - Cardiidae
Protocardia somaliensis Cox 1935 cockle
 Carditida - Astartidae
"Astarte scytalis" = Seebachia (Eoseebachia) sowerbyana Holdhaus 1913 clam