In Abangarit-Tamesna (Cretaceous to of Niger)

Also known as Lapparent site 18; West of In Abangharit

Where: Agadez, Niger (17.7° N, 5.8° E: paleocoordinates 2.1° N, 0.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Echkar Formation (Tegama Group), Late/Upper Albian to Late/Upper Albian (105.3 - 93.5 Ma)

• "upper part of the Continental Intercalaire, a little below the Cenomanian-Turonian" limestone

• group of beds-level stratigraphic resolution

Environment/lithology: deltaic; sandstone and claystone

• described as "fluviatile deltas"
• clays and sandstones

Size classes: macrofossils, mesofossils

Collected by L. Archier, P. Bordet & A. F. de Lapparent in 1951–1953

Collection methods: quarrying, surface (float), surface (in situ), mechanical,

• discovered by Captain L. Archier in 1951-1952 with collection by P. Bordet; Lapparent expedition in Feb. 1953

Primary reference: A. F. d. Lapparent. 1953. Gisements de Dinosauriens dans le "Continental intercalaire" d'In Abangarit (Sahara méridional) [Dinosaur localities in the "Continental Intercalaire" of In Abangarit (southern Sahara)]. Comptes Rendus de l'Académie des Sciences à Paris 236:1905-1906 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 25221: authorized by Matthew Carrano, entered by Matthew Carrano on 03.09.2002, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Rajiformes - Sclerorhynchidae
Onchopristis numidus Haug 1905 ray
 Rhinopristiformes - Pristidae
Platyspondylus foureaui Haug 1905 sawfish
Osteichthyes
 Dipnoi - Ceratodontidae
Ceratodus sp. Agassiz 1838 lungfish
"une espèce nouvelle"
Reptilia
 Loricata -
Elosuchus sp.4 de Lapparent de Broin 2002 crocodilian
MNHN.F INA 30
 Loricata - Peirosauridae
"Elosuchus felixi n. sp." = Fortignathus felixi1
"Elosuchus felixi n. sp." = Fortignathus felixi1 de Lapparent de Broin 2002 crocodilian
 Theropoda -
Elaphrosaurus iguidiensis3 Lapparent 1957 theropod
"Elaphrosaurus gautieri" = Spinostropheus gautieri3 Lapparent 1960 ceratosaur
Inosaurus tedreftensis3 Lapparent 1960 tetanuran theropod
 Avetheropoda -
Bahariasaurus ingens3 Stromer 1934 avetheropod
 Theropoda - Carcharodontosauridae
"Megalosaurus saharicus" = Carcharodontosaurus saharicus
"Megalosaurus saharicus" = Carcharodontosaurus saharicus Depéret and Savornin 1925 allosauroid
braincase with endocast, vertebrae, long bones, teeth
 Saurischia -
Aegyptosaurus baharijensis3 Stromer 1932 sauropod
 Saurischia - Rebbachisauridae
Rebbachisaurus tamesnensis n. sp.3 Lapparent 1957 sauropod
 Ornithischia -
? Stegosauria indet.2 Marsh 1877 ornithischian
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
two species, large and small
Actinopteri
 Lepisosteiformes -
Lepidotes sp. Agassiz 1832 gar
scales