Gebel Areif El-Naqa, Halal Fm, Ilymatogyra africana association: Late/Upper Albian - Cenomanian, Egypt

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Demospongiae - Agelasida - Actinostromarianinidae
Actinostromarianina informal sp.1 Lecompte 1952
17 specimens
Anthozoa - Scleractinia - Cyclolitidae
Aspidiscus cristatus (Lamarck 1801)
15 specimens
Anthozoa - Scleractinia - Meandrinidae
Tortoflabellum sp. Squires 1958
15 specimens
Gastropoda - Trochidae
Pchelinsevia coquandiana
15 specimens
Gastropoda - Cerithiidae
Cerithium cf. mogharense Douvillé 1916
1 specimen
Gastropoda - Turritellidae
Turritella cf. difficilis
2 specimens
Gastropoda - Batillariidae
Pyrazus valeriae (de Verneuil and de Loriere 1868)
3 specimens
Gastropoda - Ampullinidae
Ampullina (Ampullina) abeihensis
4 specimens
Gastropoda - Tylostomatidae
Tylostoma (Tylostoma) pallaryi (Peron and Fortau 1904)
8 specimens
Tylostoma (Tylostoma) cossoni Thomas and Peron 1889
18 specimens
Pterodonta deffisi
18 specimens
Gastropoda - Colombellinidae
? Pterodonticeras germeri
1 specimen
Gastropoda - Aporrhaidae
Aporrhais dutrugei (Coquand 1862)
19 specimens
Harpagodes heberti
13 specimens
Strombus incertus (d'Orbigny 1842)
29 specimens
synonym of Harpagodes nodosus
Gastropoda - Neogastropoda - Volutidae
Caricella ? sp. Conrad 1835
2 specimens
Gastropoda - Procerithiidae
Cimolithium tenouklense
5 specimens
Gastropoda - Opisthobranchia
Neoptyxis olisiponensis
1 specimen
Bivalvia
Bivalvia indet. Linnaeus 1758
1 specimen
Bivalvia - Pectinida - Chondrodontidae
Chondrodonta joannae
10 specimens
Bivalvia - Pectinida - Plicatulidae
Plicatula (Plicatula) auressensis (Coquand 1862)
5 specimens
Bivalvia - Pectinida - Limidae
Pseudolimea itieriana (Pictet and Roux 1852)
12 specimens
Bivalvia - Ostreida - Malleidae
Nayadina (Nayadina) gaudryi Thomas and Peron 1891
4 specimens
Bivalvia - Ostreida - Pteriidae
Phelopteria atra
2 specimens
Phelopteria gravida (Coquand 1862)
4 specimens
Bivalvia - Ostreida - Flemingostreidae
Ambigostrea pseudovillei Malchus 1990
2 specimens
Bivalvia - Ostreida - Gryphaeidae
Curvostrea rouvillei (Coquand 1862)
5 specimens
Ceratostreon flabellatum (Goldfuss 1833)
45 specimens
Ilymatogyra africana (Lamarck 1801)
105 specimens
Rhynchostreon suborbiculatum (Lamarck 1801)
41 specimens
Exogyra conica (Sowerby 1813)
1 specimen
recombined as Amphidonte conica
Bivalvia - Mytilida - Mytilidae
Modiolus (Modiolus) aequalis (Sowerby 1818)
11 specimens
Bivalvia - Lucinida - Lucinidae
Lucina fallax Forbes 1846
6 specimens
recombined as Mesomiltha fallax
Bivalvia - Lucinida - Mactromyidae
Clisocolus corrugatus Popenoe 1937
2 specimens
Bivalvia - Pholadomyida - Pholadomyidae
Pholadomya vignesi Lartet 1877
15 specimens
Bivalvia - Pholadida - Corbulidae
Corbula (Corbula) sp. Bruguière 1798
1 specimen
Bivalvia - Hippuritida - Requieniidae
Toucasia ? matheroni
5 specimens
Bivalvia - Hippuritida - Ichthyosarcolitidae
Ichthyosarcolites sp. Desmarest 1817
6 specimens
corrected as Icthyosarcolites
Bivalvia - Hippuritida - Radiolitidae
Praeradiolites biskraensis
5 specimens
Praeradiolites sp. Douvillé 1902
3 specimens
Bivalvia - Cardiida - Glossidae
Glossus aquilinus (Coquand 1862)
1 specimen
Bivalvia - Cardiida - Arcticidae
Tenea delettrei (Coquand 1862)
44 specimens
Arctica ? inornata
5 specimens
Bivalvia - Cardiida - Veneridae
Paraesa faba (Sowerby 1827)
27 specimens
Bivalvia - Cardiida - Cardiidae
Granocardium (Granocardium) carolinum Amard et al. 1981
1 specimen
Granocardium (Granocardium) productum (Sowerby 1832)
55 specimens
Protocardia ? regulare
1 specimen
Protocardia hillana (Sowerby 1813)
18 specimens
Bivalvia - Carditida - Carditidae
Venericardia ? forgemoli
4 specimens
Bivalvia - Nuculida - Nuculidae
Nucula (Nucula) margaritifera Douvillé 1916
2 specimens
Bivalvia - Nuculanida - Nuculanidae
Nuculana (Nuculana) sp. Link 1807
1 specimen
Echinoidea - Cidaroida - Cidaridae
Sinaecidaris cf. gauthieri Fourtau 1921
2 specimens
Echinoidea - Arbacioida - Arbaciidae
Codiopsis sp.
1 specimen
Echinoidea - Pedinopsidae
Pedinopsis desori
1 specimen
Echinoidea - Pseudodiadematidae
Heterodiadema libycum (Agassiz and Desor 1846)
46 specimens
Tetragramma variolare (Brongniart 1822)
3 specimens
Echinoidea - Holectypoida - Anorthopygidae
Anorthopygus orbicularis (de Grateloup 1836)
1 specimen
Echinoidea - Holectypoida - Holectypidae
Coenholectypus portentosus
1 specimen
Coenholectypus larteti (Cotteau 1869)
41 specimens
Echinoidea - Spatangoida - Hemiasteridae
Hemiaster (Mecaster) cf. newtoni
1 specimen
original and current combination Mecaster
Hemiaster (Mecaster) pseudofourneli Peron and Gauthier 1878
3 specimens
recombined as Mecaster pseudofourneli
Hemiaster (Hemiaster) syriacus (Conrad in Lynch 1852)
26 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: floatstone
Secondary lithology: rudstone
Lithology description: coarse-grained carbonate rocks (floatstone and rudstone), and occasionally in shale/marl interbeds.
Environment:reef, buildup or bioherm
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:paleoecologic analysis
Metadata
Database number:150677
Authorizer:W. Kiessling Enterer:M. Krause
Modifier:M. Krause Research group:marine invertebrate
Created:2013-09-13 00:30:13 Last modified:2013-09-16 07:08:52
Access level:authorizer only Released:2013-12-13 00:30:13
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]