Gebel Ekma, Raha Formation, Sinai - Bed 4 (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: Neolobites vibrayeanus ammonoid zone, Raha Formation, Late/Upper Cenomanian (99.6 - 93.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified shale and lithified claystone

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 114793: 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
 Spatangoida - Hemiasteridae
"Hemiaster (Mecaster) batnensis" = Mecaster batnensis
"Hemiaster (Mecaster) batnensis" = Mecaster batnensis Coquand 1862 heart urchin
Gastropoda
 Neogastropoda - Volutidae
 Sorbeoconcha - Colombellinidae
 Sorbeoconcha - Aporrhaidae
"Pterocera incerta" = Harpagodes nodosus
"Pterocera incerta" = Harpagodes nodosus Sowerby 1823 snail
Bivalvia
 Carditida - Carditidae
Maghrebella forgemoli Coquand 1862 clam
 Lucinida - Lucinidae
Sphaera corrugata Sowerby 1822 clam
 Megalodontida - Dicerocardiidae
 Cardiida - Arcticidae
Tenea delettrei Coquand 1862 clam
Arctica picteti Coquand 1862 clam
 Cardiida - Veneridae
Paraesa faba Sowerby 1827 venus clam
 Cardiida - Cardiidae
Protocardia hillana Sowerby 1813 cockle
 Mytilida - Mytilidae
Modiolus (Modiolus) aequalis Sowerby 1818 mussel
 Arcida - Cucullaeidae
 Ostreida - Gryphaeidae
Ceratostreon flabellatum Goldfuss 1833 oyster
Costagyra olisiponensis Sharpe 1850 oyster
Ilymatogyra africana Lamarck 1801 oyster
Rhynchostreon suborbiculatum Lamarck 1801 oyster
 Pectinida - Plicatulidae
"Plicatula auressensis" = Plicatula (Plicatula) auressensis, "Plicatula ferryi" = Plicatula (Plicatula) ferryi
"Plicatula auressensis" = Plicatula (Plicatula) auressensis Coquand 1862 scallop
"Plicatula ferryi" = Plicatula (Plicatula) ferryi Coquand 1862 scallop
 Pectinida - Neitheoidae
Neithea (Neithea) dutrugei Dutrugei 1862 scallop
Cephalopoda
 Ammonitida - Engonoceratidae
Neolobites vibrayeanus d'Orbigny 1841 ammonite