Idri Fmn., Idri Type section, Samples PC700, TB887, TB889, TB890: Late/Upper Givetian, Libya

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Archaeogastropoda
Archaeogastropoda indet. Thiele 1925
"type types of mourloniid gastropods"
Gastropoda - Bellerophontida
Bellerophon sp. de Montfort 1808
    = Bellerophontoidea indet. M'Coy 1851
Wagner 2023
Gastropoda - Bellerophontida - Plectonotidae
Plectonotus sp. Clarke 1899
Bivalvia - Modiomorphida - Modiomorphidae
Goniophora sp. Phillips 1848
Spathella sp. Hall 1885
Bivalvia - Ostreida - Pterineidae
Leptodesma sp. Hall 1883
Bivalvia - Pectinida - Pterinopectinidae
Lyriopecten sp. Hall 1877
Rhynchonellata - Tropidoleptidae
Tropidoleptus carinatus (Conrad 1839)
Rhynchonellata - Spiriferida - Mucrospiriferidae
Mucrospirifer cf. mucronatus (Conrad 1841)
Rhynchonellata - Rhynchonellida - Leiorhynchidae
Eumetabolotoechia perryi
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Cupularostrum idriense
Trilobita - Phacopida - Homalonotidae
Dipleura sp. Green 1832
see common names

Geography
Country:Libya
Coordinates: 27.5° North, 13.5° East (view map)
Paleocoordinates:51.0° South, 38.1° East
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period:Devonian Epoch:Late/Upper Devonian
Stage:Frasnian
Key time interval:Late/Upper Givetian
Age range of interval:383.70000 - 382.70000 m.y. ago
Stratigraphy
Formation:Idri
Stratigraphic resolution:group of beds
Stratigraphy comments: Age range of formation is Givetian to early Frasnian. This assemblage, from the middle of the formation, is thought to be late Givetian.
Lithology and environment
Primary lithology:fine,shelly/skeletal sandstone
Includes fossils?Y
Lithology description: "coquinite beds in fine grained sandstones"
Environment:marine indet.
Geology comments: Interpreted as BA 2.
Taphonomy
Collection methods and comments
Reason for describing collection:paleoecologic analysis
Collection method comments: Emphasis of monograph is brachiopods and bivalves. Other elements sometimes mentioned as well.
Metadata
Database number:35628
Authorizer:M. Foote, P. Wagner Enterer:M. Foote, P. Wagner
Modifier:M. Foote Research group:marine invertebrate
Created:2004-01-01 12:11:31 Last modified:2006-09-13 14:01:03
Access level:the public Released:2004-01-01 12:11:31
Creative Commons license:CC BY
Reference information

Primary reference:

9606. M. Mergl and D. Massa. 1992. Devonian and Lower Carboniferous brachiopods and bivalves from western Libya. Biostratigraphie du Paleozoique 12:1-115 [M. Foote/M. Foote/M. Foote]

Secondary references:

9042 P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner]