1979-IV-A-3/3, Idri Fmn., Ash Shati area, N. flank of Murzuk Basin: Givetian, Libya

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Tropidoleptidae
Tropidoleptus carinatus (Conrad 1839)
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Cupularostrum idriense
Rhynchonellata - Rhynchonellida - Leiorhynchidae
Eumetabolotoechia perryi
see common names

Geography
Country:Libya
Coordinates: 27.4° North, 13.2° East (view map)
Paleocoordinates:50.6° South, 36.8° East
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Devonian Epoch:Middle Devonian
Stage:Givetian 10 m.y. bin:Devonian 3
Key time interval:Givetian
Age range of interval:387.70000 - 382.70000 m.y. ago
Stratigraphy
Formation:Idri
Stratigraphic resolution:bed
Stratigraphy comments: Age range of formation is Givetian to early Frasnian (ref. 8780). However, the bulk is Givetian. This collection is from the "lower fossiliferous level"
Lithology and environment
Primary lithology: sandstone
Secondary lithology: silty claystone
Lithology description: Formation in general: "In the type area, the Fm. consists of fine-to-med.-gr sst. and of two layers with prevailing silty clayst (one of them at the bottom of unit). Towards the east, the silty-argillaceous layers wedge out and the sst become prevalently cross-bedded
Environment:marine indet.
Taphonomy
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:36184
Authorizer:M. Foote Enterer:M. Foote
Modifier:M. Foote Research group:marine invertebrate
Created:2004-01-16 09:04:28 Last modified:2006-09-13 14:01:03
Access level:the public Released:2004-01-16 09:04:28
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]