Gebel Ekma, Raha Formation, Sinai - Bed 9 (Cretaceous of Egypt)

Where: Egypt (28.7° N, 33.2° E: paleocoordinates 7.8° N, 27.5° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Vascoceras cauvini - Rubroceras alatum ammonoid zone, Raha Formation, Late/Upper Cenomanian (99.6 - 93.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified limestone

Size class: macrofossils

Preservation: cast, mold/impression, original aragonite, original calcite

Collection methods: Description of collected corals, coralline sponges, and bryozoans is outside the scope of the study.

Primary reference: G. M. El Qot. 2006. Late Cretaceous macrofossils from Sinai, Egypt. Beringeria 36:3-163 [M. Aberhan/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 114798: authorized by Martin Aberhan, entered by Sabine Nürnberg on 24.08.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

• See reference for (partly lumped) abundance data.
Echinoidea
 Calycina - Phymosomatidae
Phymosoma sp. Haime 1853 sea urchin
 Euechinoidea - Pseudodiadematidae
Tetragramma variolare Brongniart 1822 sea urchin
 Arbacioida - Arbaciidae
Goniopygus sp. Agassiz 1838 sea urchin
Goniopygus menardi Desmarest in Defrance 1925 sea urchin
 Stomopneustoida - Stomechinidae
 Hemicidaroida -
Micropedina olisiponensis Forbes in Sharpe 1850 sea urchin
Cephalopoda
 Ammonitida - Vascoceratidae
Vascoceras cauvini Chudeau 1909 ammonite
Rubroceras alatum Cobban et al. 1989 ammonite
 Ammonitida - Acanthoceratidae
Pseudaspidoceras pseudonodosoides Choffat 1898 ammonite
Gastropoda
 Heterostropha - Architectonicidae
 Seguenzioidea - Eucyclidae
 Neritoidea - Neritidae
 Cerithioidea - Batillariidae
Pyrazus (Pyrazus) valeriae de Verneuil and de Loriere 1868 snail
 Sorbeoconcha - Procerithiidae
 Sorbeoconcha - Tylostomatidae
Tylostoma (Tylostoma) cossoni Thomas and Peron 1889 snail
 Sorbeoconcha - Campanilidae
 Sorbeoconcha - Aporrhaidae
Aporrhais dutrugei Coquand 1862 snail
Bivalvia
 Mytilida - Mytilidae
Modiolus (Modiolus) aequalis Sowerby 1818 mussel
 Pectinida - Limidae
Pseudolimea itieriana Pictet and Roux 1852 file clam
 Pectinida - Plicatulidae
"Plicatula auressensis" = Plicatula (Plicatula) auressensis
"Plicatula auressensis" = Plicatula (Plicatula) auressensis Coquand 1862 scallop
 Ostreida - Gryphaeidae
Costagyra olisiponensis Sharpe 1850 oyster
Rhynchostreon suborbiculatum Lamarck 1801 oyster
 Arcida - Cucullaeidae
 Cardiida - Veneridae
Paraesa faba Sowerby 1827 venus clam
 Cardiida - Arcticidae
Tenea delettrei Coquand 1862 clam
 Lucinida - Lucinidae
Sphaera corrugata Sowerby 1822 clam
 Carditida - Crassatellidae
"Crassatella matercula" = Crassatella rothii
"Crassatella matercula" = Crassatella rothii Fraas 1872 clam
 Carditida - Carditidae
Maghrebella forgemoli Coquand 1862 clam