Sibaiya-Boussaliya II: Early/Lower Maastrichtian, Egypt

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Ostreida - Flemingostreidae
Lopha lunata (Nilsson 1840)
synonym of Ambigostrea tripolitana
Lopha renoui (Coquand 1862)
synonym of Ambigostrea villei
Bivalvia - Ostreida - Ostreidae
Cameleolopha pauciplicata
Abruptolopha abrupta
Lopha pomeli
Ostrea scaniensis Coquand 1869
synonym of Acutostrea incurva
Bivalvia - Ostreida - Gryphaeidae
Hyotissa semiplana (Sowerby 1825)
Bivalvia - Carditida - Carditidae
Venericardia vredenburgi
Trochamminidae
Trochammina texana
Heterohelicidae
Pseudoguembelina costulata (Cushman 1938)
Guembelitria cretacea Cushman 1933
Pseudoguembelina excolata (Cushman 1926)
original and current combination Guembelina excolata
Heterohelix globulosa (Ehrenberg 1840)
Planomalinidae
Globigerinelloides subcarinata
Globigerinelloides prairiehillensis Pessagno 1967
Globotruncanidae
Rugoglobigerina macrocephalia
Rugoglobigerina rugosa (Plummer 1927)
Lituolida - Lituolidae
Lituola difformis
Hedbergellidae
Hedbergella holmdelensis Olsson 1964
see common names

Geography
Country:Egypt State/province:Nile Valley
Coordinates: 30.1° North, 31.3° East (view map)
Paleocoordinates:16.5° North, 26.3° East
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
*Epoch:Senonian
*International age/stage:Early/Lower Maastrichtian
Key time interval:Early/Lower Maastrichtian Zone: Lopha pomeli
Age range of interval:72.10000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Duwi
Local section:Sibaiya-Boussaliya
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: calcareous "limestone"
Secondary lithology: marl
Geology comments: lithology described as interbedded bioclastic limestone and marls
Taphonomy
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:3591
Authorizer:M. Patzkowsky Enterer:K. Layou
Modifier:C. Visaggi Research group:marine invertebrate
Created:1999-08-05 08:44:34 Last modified:2004-03-11 16:25:05
Access level:the public Released:2000-11-20 13:53:19
Creative Commons license:CC BY
Reference information

Primary reference:

215. 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]