Gebel Areif El-Naqa, bed 12 (Cretaceous of Egypt)

Where: Egypt (30.4° N, 34.5° E)

• Paleocoordinates: 13.5° N, 40.7° E (Wright 2013)

• 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, phosphatic, yellow mudstone

• yellowish-green, moderately hard, glauconitic marl, highly fossiliferous.

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 140611: authorized by Martin Aberhan, entered by Thomas Schossleitner on 12.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Sorbeoconcha - Tylostomatidae
Tylostoma pallaryi
Tylostoma pallaryi Peron and Fortau 1904 snail
Bivalvia
 Myalinida - Inoceramidae
Mytiloides concentricus
 Ostreida - Ostreidae
Lopha syphax
Lopha syphax Coquand 1854 oyster
 Ostreida - Gryphaeidae
Ceratostreon flabellatum, Rhynchostreon suborbiculatum, Gyrostrea delettrei
Ceratostreon flabellatum Goldfuss 1833 oyster
Rhynchostreon suborbiculatum Lamarck 1801 oyster
Gyrostrea delettrei Coquand 1862 oyster
Cephalopoda
 Ammonitida - Knemiceratidae
Knemiceras deserti
Knemiceras deserti Mahmoud 1955 ammonite
Echinoidea
 Irregularia - Clypeidae
"Pygurus cf. subproductus" = Pygurus (Pygurus) subproductus
"Pygurus cf. subproductus" = Pygurus (Pygurus) subproductus Fourtau 1921 sea urchin