Naifa Cliff-4: Tithonian - Kimmeridgian, Yemen

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Perisphinctidae
Pachysphinctes bathyplocus (Waagen 1875)
1 specimen
Cephalopoda - Ammonitida - Aspidoceratidae
Simaspidoceras irrgulare
1 specimen
Simaspidoceras argobbae (Dacque 1905)
4 specimens
see common names

Geography
Country:Yemen State/province:Wadi Hajar
Coordinates: 14.3° North, 48.5° East (view map)
Paleocoordinates:12.6° South, 31.5° East
Geographic resolution:small collection
Time
Period: Jurassic Epoch: Late Jurassic
Stage: Tithonian - Kimmeridgian 10 m.y. bin: Jurassic 6 - Jurassic 5
*Epoch:Malm
Key time interval: Tithonian - Kimmeridgian
Age range of interval: 149.2 - 149.2 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Naifa Member:Kilya
Local section:Naifa Cliff
Stratigraphic resolution:bed
Stratigraphy comments: 16 m above base
Lithology and environment
Primary lithology: calcareous marl
Secondary lithology: "limestone"
Geology comments: lithology described as limestone nodules in marl band
Taphonomy
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:2546
Authorizer:M. Patzkowsky Enterer:K. Layou
Research group:marine invertebrate
Created:1999-07-08 11:43:09 Last modified:1999-07-08 14:43:09
Access level:the public Released:2000-11-20 13:53:16
Creative Commons license:CC BY
Reference information

Primary reference:

74. M. K. Howarth and N. J. Morris. 1998. The Jurassic and Lower Cretaceous of Wadi Hajar, southern Yemen. Bulletin of the Natural History Museum (Geology) 54(1):1-32 [M. Patzkowsky/K. Layou/A. Clement]