Gebel Areif El-Naqa, Halal Fm, Ilymatogyra africana association (Cretaceous to of Egypt)

Where: Egypt (30.4° N, 34.5° E: paleocoordinates 8.3° N, 28.3° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Halal Formation, Late/Upper Albian to Late/Upper Albian (105.3 - 93.9 Ma)

• formation-level stratigraphic resolution

Environment/lithology: open shallow subtidal; gray floatstone and rudstone

• coarse-grained carbonate rocks (floatstone and rudstone), and occasionally

•in shale/marl interbeds.

Size classes: macrofossils, mesofossils

Primary reference: W. Ayoub-Hannaa and F. T. Fürsich. 2012. Palaeoecology and environmental significance of benthic associations from the Cenomanian-Turonian of eastern Sinai, Egypt. Beringeria (42)93-138 [W. Kiessling/M. Krause/M. Krause]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 150876: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 16.09.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Architaenioglossa - Ampullariidae
 Architaenioglossa - Ampullinidae
 Cerithioidea - Batillariidae
Pyrazus valeriae de Verneuil and de Loriere 1868 snail
Bivalvia
 Arcida - Cucullaeidae
"Arca (Idonearca) diceras" = Cucullaea (Idonearca) diceras
"Arca (Idonearca) diceras" = Cucullaea (Idonearca) diceras Seguenza 1882 clam
 Ostreida - Pteriidae
Phelopteria gravida Coquand 1862 pearl oyster
 Ostreida - Gryphaeidae
Gyrostrea delettrei Coquand 1862 oyster
Curvostrea rouvillei Coquand 1862 oyster
Pycnodonte (Pycnodonte) vesicularis Lamarck 1806 oyster
ssp. vesiculosa
Ceratostreon flabellatum Goldfuss 1833 oyster
Rhynchostreon suborbiculatum Lamarck 1801 oyster
Ilymatogyra africana Lamarck 1801 oyster
Exogyra conica Sowerby 1813 oyster
 Ostreida - Flemingostreidae
Ambigostrea pseudovillei Malchus 1990 oyster
 Pectinida - Neitheoidae
"Neithea (Neithea) quinquecostata" = Neithea quinquecostata
"Neithea (Neithea) quinquecostata" = Neithea quinquecostata Sowerby 1814 scallop
 Pectinida - Limidae
Pseudolimea itieriana Pictet and Roux 1852 file clam
 Poromyida - Poromyidae
 Cardiida - Arcticidae
Tenea delettrei Coquand 1862 clam
 Cardiida - Veneridae
Paraesa faba Sowerby 1827 venus clam
Echinoidea
 Euechinoidea - Pseudodiadematidae
Heterodiadema libycum Agassiz and Desor 1846 sea urchin