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 villei zone, Duwi Formation, Early/Lower Maastrichtian (70.6 - 66.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: carbonate and phosphorite
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 3594: authorized by Mark Patzkowsky, entered by Karen Layou on 05.08.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
| Bivalvia | |
|
Meretrix rolhfsi venus clam | |
|
Veniella auressensis clam | |
|
Protocardia moabitica cockle | |
|
Lucina subnumismalis Orbigny 1850 clam | |
|
"Ostrea scaniensis" = Acutostrea incurva Nilsson 1827 oyster
Abruptolopha abrupta oyster
Cameleolopha pauciplicata oyster | |
"Lopha lunata" = Ambigostrea tripolitana, "Lopha villei" = Ambigostrea villei
"Lopha lunata" = Ambigostrea tripolitana Krumbeck 1906 oyster
"Lopha villei" = Ambigostrea villei Coquand 1862 oyster | |
|
Plicatula numidica scallop | |
| Foraminifera | |
Globotruncana aegyptiaca, "Globotruncana duwi" = Globotruncana aegyptiaca duwi, Globotruncana arca, Rugoglobigerina macrocephala
"Globotruncana duwi" = Globotruncana aegyptiaca duwi Nakkady 1950 originally entered as "Globotruncata duwi"
Rugoglobigerina macrocephala Broennimann 1952 | |
|
"Heterohelix reussi" = Guembelina reussi Cushman 1938
Heterohelix globulosa Ehrenberg 1840
Guembelitria cretacea Cushman 1933 | |