In Abangarit-Tamesna: Late Albian - Early 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
Chondrichthyes - Rajiformes - Sclerorhynchidae
Chondrichthyes - Rhinopristiformes - Pristidae
Dipnoi - Ceratodontidae
35 specimens
"une espèce nouvelle"
Reptilia - Testudines
Chelonia indet. (Latreille 1800)
two species, large and small
Reptilia
Young et al. 2016
MNHN.F INA 30
Crocodylia indet. (Owen 1842)
51 specimens
de Lapparent de Broin 2002
MNHN.F INA 25; referred specimens: MNHN.F INA 21 and 22
Lapparent 1960 1 specimen
Gasparini et al. 1996
Lapparent 1960 2 specimens
Lapparent 1960 1 specimen
Reptilia - Avetheropoda
Lapparent 1960 5 specimens
Reptilia
Lapparent 1960 4 specimens
Reptilia - Carcharodontosauridae
140 specimens
braincase with endocast, vertebrae, long bones, teeth
Reptilia
6 specimens
Lapparent 1960
Lapparent 1960 2 specimens
Actinopteri - Lepisosteiformes
80 specimens
scales
see common names

Geography
Country:Niger State/province:Agadez
Coordinates: 17.7° North, 5.8° East (view map)
Paleocoordinates:10.4° North, 11.1° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Early Cretaceous - Late Cretaceous
Stage: Albian - Cenomanian 10 m.y. bin: Cretaceous 4 - Cretaceous 5
*Period:Early/Lower Cretaceous - Late/Upper Cretaceous
*International age/stage:Early/Lower Albian - Early/Lower Cenomanian
Key time interval: Late Albian - Early Cenomanian
Age range of interval: 106.2 - 93.9 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:2025-02-22 15:12:02
Access level:the public Released:2002-09-03 12:16:22
Creative Commons license:CC0
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]