Gebel Areif El-Naqa, bed 1 (Cretaceous of Egypt)

Where: Egypt (30.4° N, 34.5° E: paleocoordinates 7.9° N, 28.4° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Lower Marly Member (Halal Formation), Late/Upper Albian (105.3 - 99.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; glauconitic, green, yellow shale and bioturbated, green, yellow limestone

• shales are yellowish-green to green, glauconitic, sandy in some parts, and poorly fossiliferous. The limestone and dolomitic limestone interlayers are yellowish-grey in colour, hard – sometimes too hard for breaking up by hammer -, bioturbated with Thalassinoides and dissected by vertical fissures

Size class: macrofossils

Preservation: cast, mold/impression

Collection methods: bulk,

Primary reference: W. S. Ayoub-Hannaa. 2011. Taxonomy and palaeoecology of the Cenomanian-Turonian macroinvertebrates from eastern Sinai, Egypt (part A). 1-418 [M. Aberhan/T. Schossleitner/T. Schossleitner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 140606: authorized by Martin Aberhan, entered by Thomas Schossleitner on 12.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Pectinoidae
Neithea quinquecostata Sowerby 1814 scallop
 Ostreida - Gryphaeidae
"Exogyra conica" = Laevigyra luynesi Lartet 1872 oyster
"Ceratostreon flabellatum" = Amphidonte (Ceratostreon) flabellatum Goldfuss 1833 oyster
Rhynchostreon suborbiculatum Lamarck 1801 oyster
 Mytilida - Mytilidae
Inoperna flagellifera Forbes 1846 mussel
Modiolus aequalis Sowerby 1818 mussel
 Carditida - Carditidae
 Cardiida - Arcticidae
 Cardiida - Glossidae
 Cardiida - Veneridae
Paraesa faba venus clam
 Cardiida - Cardiidae
Protocardia sp. Beyrich 1845 cockle
 Trigoniida - Megatrigonioidae
 Nuculida - Nuculidae
Nucula margaritifera Douvillé 1916 nut clam
Gastropoda
 Opisthobranchia -
 Stromboidea - Strombidae
 Stromboidea - Tylostomatidae
Tylostoma cossoni Thomas and Peron 1889 snail
 Stromboidea - Aporrhaidae
 Stromboidea - Colombellinidae
Columbellina fusiformis Douvillé 1916 snail
 Sorbeoconcha - Procerithiidae
Echinoidea
 Spatangoida - Hemiasteridae
Hemiaster gabrielis heart urchin