El Midawara section, Abu Roash, Unit 3 (Cretaceous of Egypt)

Where: Egypt (30.1° N, 31.1° E: paleocoordinates 11.1° N, 25.9° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Abu Roash Formation, Turonian (93.9 - 89.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; limestone and shale

• The third unit starts with a rudist-free sandy shale bed (2 m). This bed is overlain by a thin limestone bed (1 m) followed by shale (3 m), followed by a thick limestone bed (7 m) and finally by marl (2.5 m).

Size classes: macrofossils, mesofossils, microfossils

Collection methods: bulk,

Primary reference: M. M. El-Hedeny. 2007. New taxonomic and biostratigraphic data on the Upper Cenomanian – Turonian Radiolitidae (Bivalvia: Hippuritoidea) of Abu Roash, Western Desert, Egypt. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 244(1):79-98 [M. Aberhan/T. Schossleitner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 140954: authorized by Martin Aberhan, entered by Thomas Schossleitner on 19.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Haplophragmiina
 Lituolacea - Haplophragmoiidae
 Lituolacea - Lituolidae
 Rotaliina - Cassidulinidae
Rotaliina
 Discorbacea - Discorbidae
 Nonionacea - Nonionidae
Spiroplectammina
  - Spiroplectamminidae
 Textulariina - Cuneolinidae
Bivalvia
 Hippuritida - Radiolitidae
Echinoidea
 Irregularia - Disasteridae
"Echinobrissus lefebvrei" = Disaster (Nucleolites)
"Echinobrissus lefebvrei" = Disaster (Nucleolites) sea urchin
 Spatangoida - Schizasteridae
Linthia roashensis heart urchin
 Calycina - Phymosomatidae
"Cyphosoma abbatei" = Phymosoma, "Cyphosoma blanckenhorni" = Phymosoma
"Cyphosoma abbatei" = Phymosoma sea urchin
"Cyphosoma blanckenhorni" = Phymosoma sea urchin
Foraminferea
 Miliolida - Peneroplidae
 Miliolida - Miliolidae
Quinqueloculina sp. d'Orbigny 1826
Quinqueloculina antiqua
Quinqueloculina antiqua var. angusta