In Abangarit-Tamesna: Late/Upper Albian - Early/Lower Cenomanian, Niger
collected by L. Archier, P. Bordet & A. F. de Lapparent 1951–1953

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Acanthopholidae indet. (Nopcsa 1902)
Lapparent 1960 1 specimen
    = ? Stegosauria indet. Marsh 1877
Gasparini et al. 1996
Elaphrosaurus iguidiensis Lapparent 1957
Lapparent 1960 2 specimens
nomen dubium belonging to Theropoda
Elaphrosaurus gautieri Lapparent 1960
Lapparent 1960 1 specimen
recombined as Spinostropheus gautieri
Inosaurus tedreftensis Lapparent 1960
Lapparent 1960 4 specimens
nomen dubium belonging to Tetanurae
Reptilia - Carcharodontosauridae
Megalosaurus saharicus Depéret and Savornin 1925
140 specimens
recombined as Carcharodontosaurus saharicus
braincase with endocast, vertebrae, long bones, teeth
Reptilia - Avetheropoda
Bahariasaurus ingens Stromer 1934
Lapparent 1960 5 specimens
Reptilia
Aegyptosaurus baharijensis Stromer 1932
Lapparent 1960 2 specimens
Sauropoda indet. (Marsh 1878)
6 specimens
    = Rebbachisaurus tamesnensis n. sp. Lapparent 1957
Lapparent 1960
nomen dubium belonging to Rebbachisauridae
Young et al. 2016
MNHN.F INA 30
Crocodylia indet. (Owen 1842)
51 specimens
    = Elosuchus felixi n. sp. de Lapparent de Broin 2002
de Lapparent de Broin 2002
recombined as Fortignathus felixi
MNHN.F INA 25; referred specimens: MNHN.F INA 21 and 22
Reptilia - Testudines
Chelonia indet. (Latreille 1800)
synonym of Testudines
two species, large and small
Dipnoi - Ceratodontidae
Ceratodus sp. Agassiz 1838
35 specimens
"une espèce nouvelle"
Actinopteri - Lepisosteiformes
Lepidotes sp. Agassiz 1832
80 specimens
scales
Chondrichthyes - Rhinopristiformes - Pristidae
Platyspondylus foureaui Haug 1905
Chondrichthyes - Rajiformes - Sclerorhynchidae
Onchopristis numidus (Haug 1905)
see common names

Geography
Country:Niger State/province:Agadez
Coordinates: 17.7° North, 5.8° East (view map)
Paleocoordinates:2.1° North, 0.4° East
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Cretaceous
*Period:Early/Lower Cretaceous - Late/Upper Cretaceous
*International age/stage:Early/Lower Albian - Early/Lower Cenomanian
Key time interval:Late/Upper Albian - Early/Lower Cenomanian
Age range of interval:106.20000 - 93.90000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Tegama Formation:Echkar
Stratigraphic resolution:group of beds
Stratigraphy comments: "upper part of the Continental Intercalaire, a little below the Cenomanian-Turonian" limestone
Lithology and environment
Primary lithology: sandstone
Secondary lithology: claystone
Includes fossils?Y
Lithology description: clays and sandstones
Environment:deltaic indet.
Geology comments: described as "fluviatile deltas"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Associated major elements:some
Disassociated major elements:many
Disassociated minor elements:many
Fragmentation:occasional
Collection methods and comments
Collection methods:selective quarrying,surface (float),surface (in situ),mechanical,field collection,observed (not collected)
Collection size:162 specimens
Reason for describing collection:taxonomic analysis
Collectors:L. Archier, P. Bordet & A. F. de Lapparent Collection dates:1951–1953
Collection method comments: discovered by Captain L. Archier in 1951-1952 with collection by P. Bordet; Lapparent expedition in Feb. 1953
Metadata
Also known as:Lapparent site 18; West of In Abangharit
Database number:25221
Authorizer:M. Carrano, P. Mannion Enterer:M. Carrano, P. Mannion
Modifier:M. Carrano Research group:vertebrate
Created:2002-09-03 12:16:22 Last modified:2019-12-06 13:11:09
Access level:the public Released:2002-09-03 12:16:22
Creative Commons license:CC BY
Reference information

Primary reference:
45826. 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]

Secondary references:

34429ETE F. de Lapparent de Broin. 2002. Elosuchus, a new genus of crocodile from the Lower Cretaceous of the north of Africa. Comptes Rendus Palevol 1:275-285 [M. Carrano/M. Carrano]
59099 R. Furon. 1963. Geology of Africa. xii-377 [M. Carrano/M. Carrano/M. Carrano]
12528ETE Z. Gasparini, X. Pereda-Suberbiola, and R. E. Molnar. 1996. New data on the ankylosaurian dinosaur from the Late Cretaceous of the Antarctic Peninsula. Memoirs of the Queensland Museum 39(3):583-594 [M. Carrano/M. Carrano/M. Carrano]
45884 A. F. d. Lapparent. 1953. Reconnaissances de gisements à Dinosauriens du Tamesna (Sahara méridional) [Reconnaissance of the dinosaur localities of Tamesna (western Sahara)]. Travaux de l'Institut de Recherches Sahariennes 10(2):7-18 [M. Carrano/M. Carrano]
45866 A. F. d. Lapparent. 1958. Sur les Dinosauriens du "Continental intercalaire" du Sahara central [On the dinosaurs of the "Continental Intercalaire" of the central Sahara]. Comptes Rendus de l'Académie des Sciences à Paris 246:1237-1240 [M. Carrano/M. Carrano]
45935 A. F. d. Lapparent. 1960. Les dinosaures du Sahara central [The dinosaurs of the central Sahara]. Travaux de l'Institut de Recherches Sahariennes 19(1–2):7-24 [M. Carrano/M. Carrano]
7056 A. F. d. Lapparent. 1960. Les Dinosauriens du "Continental intercalaire" du Saharal central [The dinosaurs of the "Continental Intercalaire" of the central Sahara]. Mémoires de la Société géologique de France, nouvelle série 39(88A):1-57 [M. Carrano/M. Carrano/M. Carrano]
71151 N. Tabaste. 1963. Étude derestes de poissons du Crétacé saharien [Study of fish remains from the Saharan Cretaceous]. Mélanges Ichthyologiques Dédiés à la Mémoire d’Achille Valenciennes (1794–1865). Mémoires de l’Institute Français d’Afrique Noire 68:437-485 [M. Carrano/M. Carrano]
59837 M. T. Young, A. K. Hastings, R. Allain and T. J. Smith. 2016. Revision of the enigmatic crocodyliform Elosuchus felixi de Lapparent de Broin, 2002 from the Lower–Upper Cretaceous boundary of Niger: potential evidence for an early origin of the clade Dyrosauridae. Zoological Journal of the Linnean Society 179(2):377-403 [P. Mannion/P. Mannion/P. Mannion]