Also known as Djebel Onk
Where: Algeria (34.7° N, 8.0° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Thanetian (59.2 - 56.0 Ma)
• Top of the main sub-layer (2) or "a" belonging to the upper unit of the "Upper Thanetian phosphatic beam"
• bed-level stratigraphic resolution
Environment/lithology: poorly lithified, phosphatic claystone
Size class: macrofossils
Collection methods: bulk, sieve
• Repository: Laboratory of Geosciences, Tebessa University, Algeria
Primary reference: S. Boulemia and S. Adnet. 2023. A new Palaeogene elasmobranch fauna (Tebessa region, eastern Algeria) and the importance of Algerian-Tunisian phosphates for the North African fossil record. Annales de Paléontologie 109(102632) [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 232262: authorized by Matthew Clapham, entered by Matthew Clapham on 04.11.2023
Creative Commons license: CC0 (CC0)
Taxonomic list
Chondrichthyes | |
Squatina prima Winkler 1874 angel shark | |
Squalus sp. Linnaeus 1758 dogfish shark | |
Physogaleus secundus Winkler 1876 ground shark
Physogaleus onkensis n. sp. Boulemia and Adnet 2023 ground shark | |
Scyliorhinus aff. ptychtus Noubhani and Cappetta 1997 cat shark
Scyliorhinus entomodon Noubhani and Cappetta 1997 cat shark
Premontreia (Oxyscyllium) subulidens Arambourg 1952 cat shark | |
Abdounia beaugei, "Rhizoprionodon gantourensis" = Rhizoprionodon ganntourensis
Abdounia beaugei Arambourg 1935 requiem shark
"Rhizoprionodon gantourensis" = Rhizoprionodon ganntourensis Arambourg 1952 sharpnose shark | |
Jaekelotodus africanus Arambourg 1952 sand tiger shark
Brachycarcharias lerichei Casier 1946 sand tiger shark | |
Striatolamia striata Winkler 1874 goblin shark | |
"? Cretalamna sp." = Cretolamna, Otodus obliquus
"? Cretalamna sp." = Cretolamna Glikman 1958 mackerel shark
Otodus obliquus Agassiz 1838 mackerel shark | |
"Serratolamna" gafsana White 1926 mackerel shark | |
Palaeorhincodon dartevellei Arambourg 1952 carpet shark | |
Ginglymostoma sp., "Ginglymostoma aff. kouribgaense" = Ginglymostoma khouribgaense, Nebrius obliquus
Ginglymostoma sp. Müller and Henle 1838 nurse shark
"Ginglymostoma aff. kouribgaense" = Ginglymostoma khouribgaense Noubhani and Cappetta 1997 nurse shark
Nebrius obliquus Leidy 1877 nurse shark | |
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"Aetomylaeus" cf. striatus Agassiz 1843 eagle ray
"Aetomylaeus" cf. dixoni Agassiz 1843 eagle ray
Archaeomanta priemi Herman 1979 eagle ray
Burnhamia sp. Cappetta 1976 eagle ray | |
Dasyatis sp. Rafinesque 1810 whiptail stingray | |
Garabatis atlasi Cappetta 1993 cow-nosed ray | |
Heterotorpedo aff. brahimi Noubhani and Cappetta 1997 stingray |