Gebel Areif El-Naqa, Halal Fm, Ceratostreon flabellatum/ Hemiaster gabrielis as.: Late/Upper Albian - Cenomanian, Egypt

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Ampullinidae
Ampullina (Ampullina) cf. quaasi
1 specimen
Gastropoda - Tylostomatidae
Tylostoma pallaryi (Peron and Fortau 1904)
4 specimens
Tylostoma (Tylostoma) cossoni Thomas and Peron 1889
2 specimens
Pterodonta deffisi
2 specimens
Gastropoda - Colombellinidae
Columbellina (Columbellina) fusiformis Douvillé 1916
4 specimens
Gastropoda - Aporrhaidae
Aporrhais dutrugei (Coquand 1862)
11 specimens
Harpagodes heberti
7 specimens
Strombus incertus (d'Orbigny 1842)
5 specimens
synonym of Harpagodes nodosus
Gastropoda - Procerithiidae
Cimolithium tenouklense
3 specimens
Gastropoda - Heterostropha - Acteonidae
Acteon ? sp. Montfort 1810
3 specimens
Gastropoda - Opisthobranchia
Globiconcha cf. rotundata
2 specimens
Bivalvia - Pectinida - Neitheidae
Neithea (Neithea) quinquecostata (Sowerby 1814)
1 specimen
recombined as Neithea quinquecostata
Bivalvia - Ostreida - Pinnidae
Pinna (Pinna) sp. Linnaeus 1758
1 specimen
Bivalvia - Ostreida - Gryphaeidae
Ceratostreon flabellatum (Goldfuss 1833)
161 specimens
Rhynchostreon suborbiculatum (Lamarck 1801)
19 specimens
Exogyra conica (Sowerby 1813)
4 specimens
recombined as Amphidonte conica
Bivalvia - Mytilida - Mytilidae
Inoperna flagellifera (Forbes 1846)
5 specimens
Modiolus (Modiolus) aequalis (Sowerby 1818)
3 specimens
Bivalvia - Hippuritida - Ichthyosarcolitidae
Ichthyosarcolites sp. Desmarest 1817
3 specimens
corrected as Icthyosarcolites
Bivalvia - Hippuritida - Radiolitidae
Praeradiolites sp. Douvillé 1902
2 specimens
Bivalvia - Cardiida - Glossidae
Glossus aquilinus (Coquand 1862)
2 specimens
Bivalvia - Cardiida - Arcticidae
Tenea delettrei (Coquand 1862)
8 specimens
Arctica ? rostrata
1 specimen
Arctica ? picteti (Coquand 1862)
3 specimens
Bivalvia - Cardiida - Veneridae
Meretrix orientalis Douvillé 1916
12 specimens
Paraesa faba (Sowerby 1827)
5 specimens
Bivalvia - Cardiida - Cardiidae
Granocardium (Granocardium) productum (Sowerby 1832)
1 specimen
Bivalvia - Carditida - Carditidae
Venericardia ? forgemoli
2 specimens
Bivalvia - Trigoniida - Megatrigoniidae
Pterotrigonia (Scabrotrigonia) scabra (Lamarck 1819)
7 specimens
Bivalvia - Nuculida - Nuculidae
Nucula (Nucula) margaritifera Douvillé 1916
2 specimens
Echinoidea - Holectypoida - Holectypidae
Coenholectypus portentosus
1 specimen
Coenholectypus larteti (Cotteau 1869)
2 specimens
Echinoidea - Spatangoida - Hemiasteridae
Hemiaster (Hemiaster) gabrielis
76 specimens
Hemiaster (Hemiaster) syriacus (Conrad in Lynch 1852)
5 specimens
see common names

Geography
Country:Egypt
Coordinates: 30.4° North, 34.5° East (view map)
Paleocoordinates:8.3° North, 28.3° East
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Cretaceous
Key time interval:Late/Upper Albian - Cenomanian
Age range of interval:105.30000 - 93.90000 m.y. ago
Stratigraphy
Formation:Halal
Stratigraphic resolution:formation
Lithology and environment
Primary lithology:green marl
Secondary lithology: "limestone"
Lithology description: green glauconitic marls and greyish-yellow marly limestones
Environment:offshore
Geology comments: 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.
Taphonomy
Modes of preservation:body,mold/impression
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:paleoecologic analysis
Metadata
Database number:150737
Authorizer:W. Kiessling Enterer:M. Krause
Modifier:M. Krause Research group:marine invertebrate
Created:2013-09-13 22:02:55 Last modified:2013-09-16 07:09:21
Access level:authorizer only Released:2013-12-13 22:02:55
Creative Commons license:CC BY
Reference information

Primary reference:

48157. 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]