Giza Pyramids Plateau, nummulitic buildup (Eocene of Egypt)

Where: Egypt (30.0° N, 31.1° E: paleocoordinates 22.4° N, 26.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Mokattam Formation, Lutetian (47.8 - 41.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: sand shoal; lithified packstone and lithified grainstone

• Described as buildups but not reefs in an ecological sense
• Nummulites banks, more than 30 m thick

Size class: macrofossils

Primary reference: T. Aigner. 1983. Facies and origin of nummulitic buidups: an example from the Giza Pyramids Plateau (Middle Eocene, Egypt). Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 166(3):347-368 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 76988: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.12.2007, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
 Echinolampadoida - Echinolampadidae
Echinolampas sp. Gray 1825 sea urchin
Sedentaria
 Sabellida - Serpulidae
Serpulidae indet. Rafinesque 1835
Bivalvia
 Ostreida - Malleidae
Vulsella sp. Ršding 1798 oyster
 Ostreida - Ostreidae
 Pectinida - Pectinoidae
Pectinidae indet. Wilkes 1810 scallop
Spondylidae indet. Gray 1826 scallop
Gastropoda
 Sorbeoconcha - Cassidae
Cassis sp. Scopoli 1777 snail
 Ptenoglossa - Vasidae
Eovasum sp. Douvillé 1920 snail
Cephalopoda
 Nautilida - Nautilidae
Nautilidae indet. de Blainville 1825
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Demospongiae
 Dictyoceratida - Dysideidae
Spongeliomorpha sp. de Saporta 1887 demosponge
Foraminifera
 Nummulitacea - Nummulitidae