Locality B21, Kef en Nsouri, Djebel Tebaga: Wordian, Tunisia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Demospongiae - Agelasida - Preperonidellidae
Peronidella multiosculata n. gen., n. sp. Rigby and Senowbari-Daryan 1996
Rigby and Senowbari-Daryan 1996 2 individuals
recombined as Preperonidella multiosculata
Newell 21A
Demospongiae - Agelasida - Exotubispongiidae
Exotubispongia pustulata n. gen., n. sp. Rigby and Senowbari-Daryan 1996
Rigby and Senowbari-Daryan 1996 1 individual
Newell 21A
Demospongiae - Agelasida - Stellispongiellidae
Stellispongiella insculpta n. gen., n. sp. Rigby and Senowbari-Daryan 1996
Rigby and Senowbari-Daryan 1996 3 individuals
Newell 21A
Stellispongiella n. gen. bacilla (Termier and Termier 1955)
Rigby and Senowbari-Daryan 1996 3 individuals
Newell 21A
Prestellispongia n. gen. lobata (Parona 1933)
Rigby and Senowbari-Daryan 1996 5 individuals
Newell 21A
Demospongiae - Agelasida - Virgolidae
Preeudea minima Termier and Termier 1977
Rigby and Senowbari-Daryan 1996 1 individual
Newell 21A
Intratubospongia n. gen. osiensis (de Gregorio 1930)
Rigby and Senowbari-Daryan 1996 20 individuals
Newell 21A
Demospongiae - Protomonaxonida - Heliospongiidae
Heliospongia finksi Termier and Termier 1977
Rigby and Senowbari-Daryan 1996 1 individual
Newell 21A
Disjectoporidae
Radiotrabeculopora reticulata Fan et al. 1991
Rigby and Senowbari-Daryan 1996 2 individuals
Newell 21A
see common names

Geography
Country:Tunisia State/province:Madanin
Coordinates: 33.4° North, 10.2° East (view map)
Paleocoordinates:7.5° South, 17.9° East
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Permian Epoch:Guadalupian
Stage:Wordian 10 m.y. bin:Permian 3
Key time interval:Wordian Foram zone: Neoschwagerina margaritae
Age range of interval:268.80000 - 265.10000 m.y. ago
Stratigraphy
Formation:Djebel Tebaga Member:Lower Biohermal Complex
Local section:Jebel Tebaga B Local bed:21
Local order:bottom to top
Stratigraphic resolution:group of beds
Stratigraphy comments: Presence of Yabeina and Neoschwagerina margaritae in lower Djebel Tebaga Biohermal Complex suggests upper Wordian age. Bioherm complex (beds 11-21) is estimated from map to be 138 metres thick.
Lithology and environment
Primary lithology: lithified "limestone"
Secondary lithology: dolomite
Lithology description: Bioherm complex, not examined in detail; thick bedded, draped, and very lenticular, limestone and dolomite and interbedded wedging thin beds of brown sandstone; carbonate beds vuggy, recrystallized with ghosts of fossils.
Environment:reef, buildup or bioherm
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Taxonomic list comments:Includes sponges and bivalves; other groups are undescribed. Includes material from spot localities 21A collected by N.D. Newell (1973) and DJT21 collected by F.G. Stehli (1970).
Metadata
Also known as:Reef 200
Database number:41658
Authorizer:D. Bottjer Enterer:M. Clapham
Modifier:P. Wagner Research group:marine invertebrate
Created:2004-07-19 13:49:56 Last modified:2019-09-11 16:58:21
Access level:the public Released:2004-07-19 13:49:56
Creative Commons license:CC BY
Reference information

Primary reference:

11153. N. D. Newell, J.K. Rigby, A. Driggs, D.W. Boyd, and F.G. Stehli. 1976. Permian reef complex, Tunisia. Brigham Young University Geology Studies 23(1):75-112 [D. Bottjer/M. Clapham/M. Clapham]

Secondary references:

11156 J. K. Rigby and B. Senowbari-Daryan. 1996. Upper Permian inozoid, demospongid, and hexactinellid sponges from Djebel Tebaga, Tunisia. University of Kansas Paleontological Contributions, New Series 7:1-130 [D. Bottjer/M. Clapham/M. Clapham]