Djorf Touka, Kef Sidi Amar (Ouarsenis), unit C3a (Jurassic to of Algeria)

Where: Algeria (35.9° N, 1.6° E: paleocoordinates 26.4° N, 0.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Kef Sidi Amar Formation, Raricostatum to Raricostatum (196.5 - 183.0 Ma)

• Late Sinemurian (Raricostatum)-Early Pliensbachian (Aenigmaticum) age.

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, ooidal, shelly/skeletal limestone

• oolitic and bioclastic limestones

Size class: macrofossils

Collection methods: Repository: U.F.R. des Sciences de la Terre, Université Claude Bernard, Lyon l.

Primary reference: M. Benhamou, S. Elmi, and Y. Almeras. 2000. Age et contexte dynamique des calcaires a brachiopodes tethysiens (Zeilleriides multiplisses) du Grand Pic de l'Ouarsenis (Tell algerien)[Age and dynamic context of the multicostate zeilleriids limestones of the Grand Pic de l'Ouarsenis (Algerian Tell)]. Comptes rendus de l'Académie des Sciences, Sciences de la Terre et des Planètes 331:717-723 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 98475: authorized by Wolfgang Kiessling, entered by Uta Merkel on 07.10.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Spiriferinida - Paralaballidae
"Liospiriferina angulata" = Cisnerospira angulata
"Liospiriferina angulata" = Cisnerospira angulata Oppel 1861
 Spiriferinida - Spiriferinidae
Spiriferina betacalcis Quenstedt 1858
Confirmed
 Rhynchonellida - Tetrarhynchiidae
Gibbirhynchia curviceps Quenstedt 1852
 Rhynchonellida - Wellerellidae
Cirpa fronto Quenstedt 1871
 Rhynchonellida - Prionorhynchiidae
Prionorhynchia regia Rothpletz 1886
 Terebratulida - Lobothyrididae
Lobothyris punctata Sowerby 1812
 Terebratulida - Zeilleriidae