2180-III-D-4, Bir al Qasr Fmn., Ash Shati area, N. flank of Murzuk Basin: Eifelian, Libya

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Cupularostrum arenosum
see common names

Geography
Country:Libya
Coordinates: 27.7° North, 14.2° East (view map)
Paleocoordinates:53.5° South, 43.6° East
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Devonian Epoch:Middle Devonian
Stage:Eifelian 10 m.y. bin:Devonian 3
Key time interval:Eifelian
Age range of interval:393.30000 - 387.70000 m.y. ago
Stratigraphy
Formation:Bi'r al Qasr
Stratigraphic resolution:bed
Stratigraphy comments: Age range of formation is Eifelian to Givetian (ref. 8780). However, the bulk is Eifelian, and the Givetian age applies only to the uppermost beds.
Lithology and environment
Primary lithology: sandstone
Secondary lithology: silty claystone
Lithology description: Formation in general: "In the typical development, the Formation begins with med-gr. sst, continues w/ silty clayst. b eing interbedded w/ sst., and is finished with sst."
Environment:marine indet.
Taphonomy
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:36183
Authorizer:M. Foote Enterer:M. Foote
Modifier:M. Foote Research group:marine invertebrate
Created:2004-01-16 08:56:32 Last modified:2006-09-13 14:01:03
Access level:the public Released:2004-01-16 08:56:32
Creative Commons license:CC BY
Reference information

Primary reference:

8780. V. Havlicek and P. Rohlich. 1987. Devonian and Carboniferous brachiopods from the northern flank of the Murzug Basin (Libya). Sbornik Geologickych Ved: Paleontologie 28:117-177 [A. Miller/J. Sessa/J. Sessa]