Abu Roash, rudist mound, Cairo, Egypt (Cretaceous of Egypt)

Also known as Reef 2011

Where: Egypt (30.0° N, 31.1° E: paleocoordinates 11.8° N, 26.3° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Acteonella Series Group, Early/Lower Coniacian (89.3 - 85.8 Ma)

• formation-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified floatstone

• Sequence capped by firmly cemented carbonate sand.
• Rudist dominated biostrome on top of Actaeonella series. Almost 10 m thick. Rudist shell fragments with fewer echinoid plates with partial silica replacements. Micritic matrix.

Size class: macrofossils

Primary reference: P. de Castro and G. Sirna. 1996. The Durania arnaudi biostrome of El-Hassana, Abu Roash area (Egypt). Geologica Romana 32:69-91 [W. Kiessling/W. Kiessling/W. Kiessling]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 24082: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 30.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Florideophyceae
 Corallinales - Corallinophycidae
Corallinaceae indet.
Corallinaceae indet. Lamouroux 1816
Echinoidea
 Camarodonta - Echinidae
Echinidae indet.
Echinidae indet. Gray 1825 sea urchin
Gastropoda
 Heterostropha - Acteonellidae
"Actaeonella sp." = Acteonella
"Actaeonella sp." = Acteonella d'Orbigny 1843 snail
Bivalvia
 Hippuritida - Radiolitidae
"Durania arnaudi" = Durania cornupastoris
"Durania arnaudi" = Durania cornupastoris Des Moulins 1826 rudist
Stenolaemata
 Cyclostomata - Cerioporidae
Ceriopora multiformis