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
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 | |
"Ornithella farquharsoni" = Microthyridina farquharsoni
"Ornithella farquharsoni" = Microthyridina farquharsoni Muir-Wood 1935 | |
"Lophrothyris cf. subsella" = Xestosina subsella, Somalithyris macfadyeni
"Lophrothyris cf. subsella" = Xestosina subsella Leymerie 1846
Somalithyris macfadyeni Muir-Wood 1935 | |
Cephalopoda | |
Katroliceras (Torquatisphinctes) sp. Spath 1924 ammonite
Lithacoceras sp. Hyatt 1900 ammonite
Lithacoceras (Progeronia) sp. ammonite | |
Paracenoceras hexagonum Sowerby 1826 nautiloid | |
"Belemnopsis ex gr. tanganensis" = Belemnites (Belemnopsis) tanganensis
"Belemnopsis ex gr. tanganensis" = Belemnites (Belemnopsis) tanganensis Futt 1894 belemnite | |
Gastropoda | |
Pleurotomaria sp. Defrance 1826 snail | |
Proconulus arabiensis Newton 1908 snail | |
"Alaria cf. berlieri" = Dicroloma
"Alaria cf. berlieri" = Dicroloma snail | |
Bivalvia | |
Palaeonucula cuneiformis Sowerby 1840 nut clam | |
"Modiolus imbricatus" = Modiolus (Modiolus) imbricatus
"Modiolus imbricatus" = Modiolus (Modiolus) imbricatus Sowerby 1818 mussel | |
Pinna sp. Linnaeus 1758 oyster | |
Gryphaea balli Stefanini 1925 oyster | |
Grammatodon (Indogrammatodon) egertonianus Stoliczka 1865 clam | |
Protocardia somaliensis Cox 1935 cockle | |
"Astarte scytalis" = Seebachia (Eoseebachia) sowerbyana
"Astarte scytalis" = Seebachia (Eoseebachia) sowerbyana Holdhaus 1913 clam |