El-Hassana section, Abu Roash, Durania assemblage, middle Abu Roash Fm. (Cretaceous of Egypt)

Where: Egypt (30.1° N, 31.1° E: paleocoordinates 11.4° N, 25.9° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Rudist Member (middle Abu Roash Formation), Middle Turonian (93.5 - 89.3 Ma)

Environment/lithology: sand shoal; limestone and rudstone

• High-energy shoal
• Bio-rudstone - Microfacies. Thick-bedded limestone alternating with minor

•marl interbeds. Bioclasts commonest components; followed by moderately sorted intraclasts. Lower contact sharp, upper one gradational. Mollusks, echinoid, and sponge fragments. Intraclasts, quartz grains, and grain aggregates occur. Rudist bivalves predominate.

Size classes: macrofossils, mesofossils

Primary reference: A. A. Abdelhady and R. S. A. Mohamed. 2017. Paucispecific macroinvertebrate communities in the Upper Cretaceous of El Hassana Dome (Abu Roash, Egypt): Environmental controls vs adaptive strategies. Cretaceous Research 74:120-136 [W. Kiessling/M. Krause/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 184737: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 21.03.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Porifera indet.
Porifera indet. Grant 1836
Echinoidea
  -
Echinoidea indet.
Echinoidea indet. Leske 1778 sea urchin
Bryozoa
  -
Bryozoa indet.
Bivalvia
 Hippuritida - Radiolitidae
"Durania arnaudi" = Durania cornupastoris
"Durania arnaudi" = Durania cornupastoris Des Moulins 1826 rudist
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail