Gebel Areif El-Naqa, Halal Fm, Ceratostreon flabellatum/ Hemiaster gabrielis as. (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: offshore; green marl and limestone

• Lower marly member of the Halal Formation of Gebel Areif El-Naqa, less commonly in hard, fossiliferous rudist rudstone of the middle siliciclastic/carbonate

•member of the Cenomanian Galala Formation at Wadi Quseib.

• green glauconitic marls and greyish-yellow marly limestones

Size classes: macrofossils, mesofossils

Preservation: mold/impression

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 150737: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 13.09.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Echinoidea
 Spatangoida - Hemiasteridae
Hemiaster (Hemiaster) syriacus, Hemiaster (Hemiaster) gabrielis
Hemiaster (Hemiaster) syriacus Conrad in Lynch 1852 heart urchin
 Holectypoida - Holectypidae
Coenholectypus portentosus, Coenholectypus larteti
Coenholectypus larteti Cotteau 1869 sea urchin
Gastropoda
 Architaenioglossa - Ampullinidae
Ampullina (Ampullina) cf. quaasi
 Sorbeoconcha - Aporrhaidae
Harpagodes heberti, "Strombus incertus" = Harpagodes nodosus, Aporrhais dutrugei
"Strombus incertus" = Harpagodes nodosus Sowerby 1823 snail
Aporrhais dutrugei Coquand 1862 snail
 Sorbeoconcha - Colombellinidae
Columbellina (Columbellina) fusiformis
 Sorbeoconcha - Tylostomatidae
Pterodonta deffisi, Tylostoma (Tylostoma) cossoni, Tylostoma pallaryi
Tylostoma (Tylostoma) cossoni Thomas and Peron 1889 snail
Tylostoma pallaryi Peron and Fortau 1904 snail
 Sorbeoconcha - Procerithiidae
Cimolithium tenouklense
 Heterostropha - Acteonidae
Acteon ? sp.
Acteon ? sp. Montfort 1810 snail
 Opisthobranchia -
Globiconcha cf. rotundata
Bivalvia
 Nuculida - Nuculidae
Nucula (Nucula) margaritifera
Nucula (Nucula) margaritifera Douvillé 1916 nut clam
 Hippuritida - Radiolitidae
Praeradiolites sp.
Praeradiolites sp. Douvillé 1902 rudist
 Hippuritida - Ichthyosarcolitidae
"Ichthyosarcolites sp." = Icthyosarcolites
"Ichthyosarcolites sp." = Icthyosarcolites Desmarest 1817 rudist
 Cardiida - Arcticidae
Arctica ? rostrata, Arctica ? picteti, Tenea delettrei
Arctica ? picteti Coquand 1862 clam
Tenea delettrei Coquand 1862 clam
 Cardiida - Glossidae
Glossus aquilinus
Glossus aquilinus Coquand 1862 clam
 Cardiida - Veneridae
Meretrix orientalis, Paraesa faba
Meretrix orientalis Douvillé 1916 venus clam
Paraesa faba Sowerby 1827 venus clam
 Cardiida - Cardiidae
Granocardium (Granocardium) productum
 Carditida - Carditidae
Venericardia ? forgemoli
 Trigoniida - Megatrigonioidae
Pterotrigonia (Scabrotrigonia) scabra
 Mytilida - Mytilidae
Inoperna flagellifera, Modiolus (Modiolus) aequalis
Inoperna flagellifera Forbes 1846 mussel
Modiolus (Modiolus) aequalis Sowerby 1818 mussel
 Pectinida - Neitheoidae
"Neithea (Neithea) quinquecostata" = Neithea quinquecostata
"Neithea (Neithea) quinquecostata" = Neithea quinquecostata Sowerby 1814 scallop
 Ostreida - Pinnidae
Pinna (Pinna) sp.
Pinna (Pinna) sp. Linnaeus 1758 oyster
 Ostreida - Gryphaeidae
Exogyra conica, Ceratostreon flabellatum, Rhynchostreon suborbiculatum
Exogyra conica Sowerby 1813 oyster
Ceratostreon flabellatum Goldfuss 1833 oyster
Rhynchostreon suborbiculatum Lamarck 1801 oyster