Sibaiya-Boussaliya II (Cretaceous of Egypt)

Where: Nile Valley, Egypt (30.1° N, 31.3° E: paleocoordinates 16.5° N, 26.3° E)

• coordinate based on political unit

• small collection-level geographic resolution

When: Lopha pomeli zone, Duwi Formation, Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: calcareous limestone and marl

• lithology described as interbedded bioclastic limestone and marls

Primary reference: A. S. Kassab and A. S. Mohamed. 1996. Upper Cretaceous macrofossils from the Duwi Formation of the Nile Valley, southern Egypt. Neues Jahrbuch fuer Geologie und Palaeontologie-Abhandlungen 200(3):259-284 [M. Patzkowsky/K. Layou]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 3591: authorized by Mark Patzkowsky, entered by Karen Layou on 05.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera
 Trochamminacea - Trochamminidae
 Globigerinina - Hedbergellidae
 Lituolida - Lituolidae
 Globigerinaceae - Globotruncanidae
 Globigerinaceae - Planomalinidae
 Globigerinaceae - Heterohelicidae
Heterohelix globulosa Ehrenberg 1840
"Pseudoguembelina excolata" = Guembelina excolata Cushman 1926
Guembelitria cretacea Cushman 1933
Bivalvia
 Ostreida - Gryphaeidae
Hyotissa semiplana Sowerby 1825 oyster
 Ostreida - Flemingostreidae
"Lopha lunata" = Ambigostrea tripolitana, "Lopha renoui" = Ambigostrea villei
"Lopha lunata" = Ambigostrea tripolitana Krumbeck 1906 oyster
"Lopha renoui" = Ambigostrea villei Coquand 1862 oyster
 Ostreida - Ostreidae
"Ostrea scaniensis" = Acutostrea incurva Nilsson 1827 oyster
Lopha pomeli oyster
 Carditida - Carditidae