Locality J17, Halk el Djemel, Djebel Tebaga (Permian of Tunisia)

Also known as Reef 200

Where: Madanin, Tunisia (33.4° N, 10.2° E: paleocoordinates 7.5° S, 17.9° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Djebel Tebaga Biohermal Complex Formation, Wordian (266.9 - 264.3 Ma)

• Undivided Djebel Tebaga Biohermal Complex. In other areas it is divided into Lower and Upper Biohermal Complexes, separated by the Middle Shaly Facies. 8 metres thick.

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified shale and lithified, brown limestone

• Shale and scattered brown bioherms.

Size class: macrofossils

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 41975: authorized by David Bottjer, entered by Matthew Clapham on 22.07.2004, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

• Sponges and bivalves.
Crinoidea
 Cyathocrinida - Codiacrinidae
Embryocrinus variabilis3 Arendt 1970 Sea lily
Bivalvia
 Nuculanida - Malletiidae
Palaeoneilo tebagaensis1 Termier and Termier 1959 clam
 Nuculanida - Polidevciidae
? Phestia sp.1 Chernyshev 1951 clam
 Nuculida - Nuculidae
Nuculopsis alta1 Termier and Termier 1959 nut clam
 Pectinida - Streblochondriidae
? Streblopteria sp.1 McCoy 1851 scallop
 Ostreida - Bakevelliidae
? Tambanella sp.1 Nakazawa and Newell 1968 oyster
Anthozoa
 Rugosa -
? Duplocarinia sp.2 horn coral
 Stauriida - Hapsiphyllidae
? Duplophyllum sp.2 Koker 1924 horn coral
 Stauriida - Laccophyllidae
? Amplexocarinia cf. geyeri2 Heritsch 1933 horn coral
 Stauriida - Metriophyllidae
? Asserculinia sp.2 Schouppé and Stacul 1959 horn coral
 Stauriida - Lophophyllidae
? Lophophyllidium sp.2 Grabau 1928 horn coral
 Favositida - Pachyporidae
? Gertholites tebaga n. sp.2 Flügel 1997 tabulate coral
 Favositida -
? Dendropora sp.2 Michelin 1846 tabulate coral
Disjectoporidae
  - Disjectoporidae
Demospongiae
 Verticillitida - Tebagathalamiidae
Graminospongia girtyi5 Parona 1933 demosponge
Tebagathalamia cylindrica5 Senowbari-Daryan and Rigby 1988 demosponge
 Verticillitida - Colospongiidae
"Cystothalamia ramosa" = Imbricatocoelia ramosa5 Senowbari-Daryan and Rigby 1988 demosponge
Tristratocoelia rhythmica5 Senowbari-Daryan and Rigby 1988 demosponge
Subascosymplegma oussifensis5 Termier and Termier 1977 demosponge
Colospongia cortexifera5 Senowbari-Daryan and Rigby 1988 demosponge
 Agelasida - Spicidae
Spica spica5 Termier and Termier 1977 demosponge
 Agelasida - Virgolidae
Pseudohimatella pauciporata4 Parona 1933 demosponge
Intratubospongia osiensis4 de Gregorio 1930 demosponge
Medenina laterala4 Rigby and Senowbari-Daryan 1996 demosponge
Preeudea minima4 Termier and Termier 1977 demosponge
 Agelasida - Sebargasiidae
"Amblysiphonella merlai" = Laccosiphonella merlai5, "Amblysiphonella cf. merlai" = Laccosiphonella merlai5, Pseudoguadalupia alveolaris5
"Amblysiphonella merlai" = Laccosiphonella merlai5 Parona 1933 demosponge
"Amblysiphonella cf. merlai" = Laccosiphonella merlai5 Parona 1933 demosponge
Pseudoguadalupia alveolaris5 Parona 1933 demosponge
 Agelasida - Stellispongiellidae
Estrellospongia grossa4 Rigby and Senowbari-Daryan 1996 demosponge
Prestellispongia lobata4 Parona 1933 demosponge
Prestellispongia permica4 Parona 1933 demosponge
Prestellispongia paula4 Rigby and Senowbari-Daryan 1996 demosponge
Stellispongiella bacilla4 Termier and Termier 1955 demosponge
Stellispongiella reticulata4 Rigby and Senowbari-Daryan 1996 demosponge
Stellispongiella insculpta4 Rigby and Senowbari-Daryan 1996 demosponge
 Agelasida - Amphorithalamiidae
Amphorithalamia cateniformis5 Senowbari-Daryan and Rigby 1988 demosponge
 Agelasida - Polyedridae
Polyedra tebagensis5 Termier and Termier 1955 demosponge
Misspelled Polyedera in taxonomic grid
 Agelasida - Exotubispongiidae
Exotubispongia pustulata4 Rigby and Senowbari-Daryan 1996 demosponge
Exotubispongia virgulata4 Rigby and Senowbari-Daryan 1996 demosponge
 Agelasida - Preperonidellidae
"Peronidella magna" = Preperonidella magna4 Rigby and Senowbari-Daryan 1996 demosponge
"? Peronidella cf. magna" = Preperonidella magna4 Rigby and Senowbari-Daryan 1996 demosponge
Radiofibra delicata4 Rigby and Senowbari-Daryan 1996 demosponge
Permocorynella ovoidalis4 Parona 1933 demosponge
Imperatoria voluta4 Rigby and Senowbari-Daryan 1996 demosponge
 Agelasida - Solenolmiidae
Solenolmia permica5 Senowbari-Daryan and Rigby 1988 demosponge
Preverticillites columnella5 Parona 1933 demosponge
 Agelasida - Auriculospongiidae
Daharella ramosa4 Rigby and Senowbari-Daryan 1996 demosponge
Daharella micella4 Rigby and Senowbari-Daryan 1996 demosponge
Spinospongia radiata4 Rigby and Senowbari-Daryan 1996 demosponge
Auriculospongia auriculata4 Termier and Termier 1955 demosponge
Auriculospongia perforata4 Rigby and Senowbari-Daryan 1996 demosponge
Cavusonella caverna4 Rigby et al. 1989 demosponge
 Agelasida - Guadalupiidae
Cystauletes lercarensis5 Senowbari-Daryan and di Stefano 1988 demosponge
Cystauletes mammilosus5 King 1943 demosponge
 Agelasida - Thaumastocoeliidae
Sollasia ostiolata5 Steinmann 1882 demosponge