El Kohol (Eocene of Algeria)

Also known as Brezina

Where: Algeria (33.1° N, 1.3° E: paleocoordinates 26.1° N, 0.9° W)

• coordinate based on nearby landmark

When: Ypresian (56.0 - 47.8 Ma)

• "Cuisian" or "late early Eocene" based on charophyte gryogonites (Mahboubi et al. 1984); Ypresian age after Coster et al (2012)

Environment/lithology: lacustrine; marl

• "lacustrine marl" (Court and Mahboubi 1993)

Size class: macrofossils

Collected in 1980s, 1990

• material belongs to the Université d'Oran

Primary reference: M. Mahboubi, R. Ameur, J.-Y. Crochet and J.-J. Jaeger. 1984. Implications Paleobiogeographiques de la decouverte d'une nouvelle localite Eocene a vertebres continentaux en Afrique Nord-Occidentale: El Kohol (Sud-Oranis, Algerie). Geobios 17(5):625-629 [M. Uhen/M. Uhen/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 71984: authorized by John Alroy, entered by John Alroy on 18.05.2007, edited by Mark Uhen, Pauline Coster, Patricia Holroyd and Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

• fauna includes "a lungfish, a crocodilian, and various mammals (hyracoids and a form related to Barytherium)" according to Buffeteaut 1982
Show authors, comments, and common names
Osteichthyes
 Ceratodontiformes - Lepidosirenidae
Protopterus sp.
Protopterus sp. Agassiz 1843 african lungfish
Mammalia
 Tribosphenida - Adapisoriculidae
Garatherium mahboubii n. gen. n. sp.3
Garatherium mahboubii n. gen. n. sp.3 Crochet 1984 eutherian
 Creodonta -
Creodonta indet.
 Creodonta - Hyaenodontidae
Koholia atlasense4
Koholia atlasense4 Crochet 1988 creodont
 Tribosphenida -
"Lipotyphla indet." = Eulipotyphla
"Lipotyphla indet." = Eulipotyphla placental
 Proboscidea - Numidotheriidae
Numidotherium koholense n. gen. n. sp.2
Numidotherium koholense n. gen. n. sp.2 Mahboubi et al. 1986 proboscidean
new genus
 Hyracoidea -
Hyracoidea indet.
 Hyracoidea - Pliohyracidae
Seggeurius amourensis n. gen. n. sp.2
Seggeurius amourensis n. gen. n. sp.2 Crochet 1986 hyrax
 Tribosphenida - Alphadontidae
aff. Alphadon sp.
aff. Alphadon sp. Simpson 1927 metatherian
Reptilia
 Loricata -
Eremosuchus elkoholicus n. gen. n. sp.1
Eremosuchus elkoholicus n. gen. n. sp.1 Buffetaut 1989 crocodilian
"ziphodont mesosuchian"
Aves
 Aves -
Aves indet.
Reptilia
 Squamata -
Alethinophidia indet.
Amphibia
 Salientia -
Neobatrachia indet.
Neobatrachia indet. Reig 1958 frog
Actinopteri
 Characiformes - Characidae
Characidae indet.
Ostracoda
 Podocopida - Candonidae
? Candona sp.
? Candona sp. Baird 1845 ostracod
 Podocopida - Cytherideidae
Cytherideidae indet.
Cytherideidae indet. Sars 1925 ostracod
Gastropoda
 Sorbeoconcha - Hydrobiidae
Hydrobiidae indet.
Hydrobiidae indet. Troschel 1857 snail
 Sorbeoconcha - Naticidae
"Ampullaria cf. assermoensis" = Natica (Ampullaria)
"Ampullaria cf. assermoensis" = Natica (Ampullaria) moon snail
 Cerithioidea - Thiaridae
Melanoides sp.
Melanoides sp. Olivier 1804 snail
n. sp.
Angiospermae
 Rosales - Ulmaceae
Celtis sp.
Celtis sp. Linnaeus 1753 hackberry
 Charales - Feistiellaceae
Nitellopsis aff. thaleri5, Nitellopsis dutemplei5, Nitellopsis (Tectochara) dutemplei, Nitellopsis (Tectochara) aff. thaleri
Nitellopsis aff. thaleri5
"N. (T.) aff. thaleri"
Nitellopsis dutemplei5
"N. (T.) dutemplei"
1Buffetaut 1989; 2Court and Mahboubi 1993; 3Crochet 1984; 4Crochet 1988; 5Mahboubi et al. 1984