Gebel Areif El-Naqa, Halal Fm, Rhynchostreon suborbiculatum 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 rudstone

• grey, hard, coarse-grained rudstones.

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 150874: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 16.09.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Sorbeoconcha - Tylostomatidae
Tylostoma pallaryi Peron and Fortau 1904 snail
Bivalvia
 Pholadomyida - Pholadomyidae
Osteomya sp. Moesch 1874 clam
 Ostreida - Gryphaeidae
Gyrostrea delettrei Coquand 1862 oyster
Rhynchostreon suborbiculatum Lamarck 1801 oyster
Ilymatogyra africana Lamarck 1801 oyster
Ceratostreon flabellatum Goldfuss 1833 oyster
 Ostreida - Ostreidae
Lopha syphax Coquand 1854 oyster
 Myalinida - Inoceramidae
Actinoceramus concentricus Parkinson 1819 clam
Echinoidea
 Irregularia - Clypeidae
"Pygurus cf. subproductus" = Pygurus (Pygurus) subproductus
"Pygurus cf. subproductus" = Pygurus (Pygurus) subproductus Fourtau 1921 sea urchin
 Spatangoida - Hemiasteridae
Hemiaster (Hemiaster) syriacus Conrad in Lynch 1852 heart urchin