PBDB Collection

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

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Echinoidea
Spatangoida - Hemiasteridae	Hemiaster gabrielis Hemiaster gabrielis heart urchin
Gastropoda
Sorbeoconcha - Tylostomatidae	Tylostoma cossoni, Tylostoma pallaryi, Pterodonta deffisi Tylostoma cossoni Thomas and Peron 1889 snail Tylostoma pallaryi Peron and Fortau 1904 snail Pterodonta deffisi snail
Sorbeoconcha - Procerithiidae	Cimolithium tenouklense Cimolithium tenouklense snail
Sorbeoconcha - Colombellinidae	Columbellina fusiformis Columbellina fusiformis Douvillé 1916 snail
Sorbeoconcha - Aporrhaidae	"Aporrhais" dutrugei, Harpagodes hebertii, ""Strombus" incertus" = Harpagodes nodosus "Aporrhais" dutrugei Coquand 1862 snail Harpagodes hebertii snail ""Strombus" incertus" = Harpagodes nodosus Sowerby 1823 snail
Opisthobranchia -	Globiconcha cf. rotundata Globiconcha cf. rotundata snail
Bivalvia
Nuculida - Nuculidae	Nucula margaritifera Nucula margaritifera Douvillé 1916 nut clam
Carditida - Carditidae	Venericardia ? forgemoli Venericardia ? forgemoli clam
Cardiida - Glossidae	Glossus aquilinus Glossus aquilinus Coquand 1862 clam
Cardiida - Veneridae	Paraesa faba Paraesa faba Sowerby 1827 venus clam
Cardiida - Arcticidae	Tenea delletrei Tenea delletrei clam
Cardiida - Cardiidae	Protocardia sp. Protocardia sp. Beyrich 1845 cockle
Trigoniida - Megatrigonioidae	Pterotrigonia sabra Pterotrigonia sabra clam
Mytilida - Mytilidae	Modiolus aequalis, Inoperna flagellifera Modiolus aequalis Sowerby 1818 mussel Inoperna flagellifera Forbes 1846 mussel
Ostreida - Gryphaeidae	Rhynchostreon suborbiculatum, Exogyra conica, Ceratostreon flabellatum Rhynchostreon suborbiculatum Lamarck 1801 oyster Exogyra conica Sowerby 1813 oyster Ceratostreon flabellatum Goldfuss 1833 oyster
Pectinida - Neitheoidae	Neithea quinquecostata Neithea quinquecostata Sowerby 1814 scallop