Sidi Daoui [upper Couche III] (general): Late/Upper Maastrichtian, Morocco

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Mosasauridae
Pluridens serpentis n. sp. Longrich et al. 2021
Longrich et al. 2021 2 specimens
OCP DEK-GE 548 and MHNM.KH.262 - syntypes
Mosasaurus beaugei Arambourg 1952
6 specimens
Eremiasaurus heterodontus LeBlanc et al. 2012
LeBlanc et al. 2012 1 specimen
OCP DEK/GE 112 - syntype (skull and nearly complete vertebral column)
Thalassotitan atrox n. gen., n. sp. Longrich et al. 2022
Longrich et al. 2022 2 specimens
MNHM.KHG.231 and OCP DEK-GE 417 - syntypes
Reptilia - Abelisauridae
Abelisauridae indet. Bonaparte and Novas 1985
Longrich et al. 2023 1 specimen
MHNM.KHG.333 ("Sidi Daoui Abelisaurid")
Reptilia - Hadrosauridae
Lambeosaurinae indet. Parks 1923
Longrich et al. 2024 1 specimen
MHNM.KHG.1483, humerus
see common names

Geography
Country:Morocco
Coordinates: 32.9° North, 6.6° West (view map)
Paleocoordinates:24.8° North, 7.1° West
Basis of coordinate:based on political unit
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
Key time interval:Late/Upper Maastrichtian
Age range of interval:72.10000 - 66.00000 m.y. ago
Stratigraphy
Formation:Couche III Member:Upper
Regional section:Oulad Abdoun Basin Regional bed:Couche III
Regional order:bottom to top
Stratigraphic resolution:member
Lithology and environment
Primary lithology:phosphatic,gray "limestone"
Includes fossils?Y
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Spatial resolution:parautochthonous
Collection methods and comments
Collection excludes:some macrofossils
Reason for describing collection:general faunal/floral analysis
Museum repositories:MNHN
Metadata
Database number:99159
Authorizer:M. Carrano, P. Mannion Enterer:H. Street, M. Carrano, P. Mannion
Modifier:M. Carrano Research group:vertebrate
Created:2010-10-29 12:02:18 Last modified:2024-03-13 12:38:14
Access level:the public Released:2010-10-29 12:02:18
Creative Commons license:CC BY
Reference information

Primary reference:

34099. N. Bardet, X. Pereda Suberbiola, M. Iarochene, F. Bouyahyaoui, B. Bouya and M. Amaghzaz. 2004. Mosasaurus beaugei Arambourg, 1952 (Squamata, Mosasauridae) from the Late Cretaceous phosphates of Morocco. Geobios 37:315-324 [M. Carrano/H. Street/M. Carrano]

Secondary references:

39472 A. R. H. LeBlanc, M. W. Caldwell, and N. Bardet. 2012. A new mosasaurine from the Maastrichtian (Upper Cretaceous) phosphates of Morocco and its implications for mosasaurine systematics. Journal of Vertebrate Paleontology 32(1):82-104 [P. Mannion/P. Mannion]
87570 N. Longrich, X. Pereda-Suberbiola, N. Bardet and N.-E. Jalil. 2024. A new small duckbilled dinosaur (Hadrosauridae: Lambeosaurinae) from Morocco and dinosaur diversity in the late Maastrichtian of North Africa. Scientific Reports 14(3665):1-16 [E. Dunne/E. Tasimov/M. Carrano]
76841 N. R. Longrich, N. Bardet, F. Khaldoune, O. Khadiri Yazami, and N.-E. Jalil. 2021. Pluridens serpentis, a new mosasaurid (Mosasauridae: Halisaurinae) from the Maastrichtian of Morocco and implications for mosasaur diversity. Cretaceous Research 104882 [P. Mannion/P. Mannion]
85714 N. R. Longrich, E. Isasmendi, X. Pereda-Suberbiola and N.-E. Jalil. 2023. New fossils of Abelisauridae (Dinosauria: Theropoda) from the upper Maastrichtian of Morocco, North Africa. Cretaceous Research 152:105677 [P. Mannion/P. Mannion/M. Carrano]
84676 N. R. Longrich, N.-E. Jalil, F. Khaldoune, O. K. Yazami, X. Pereda-Suberbiola and N. Bardet. 2022. Thalassotitan atrox, a giant predatory mosasaurid (Squamata) from the upper Maastrichtian phosphates of Morocco. Cretaceous Research 140:105315:1-32 [P. Mannion/P. Mannion]