Oulad Abdoun Basin (Couche III, general) (Cretaceous of Morocco)

Where: Morocco (32.9° N, 6.6° W: paleocoordinates 24.8° N, 7.1° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Couche III Member (Phosphates Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; phosphatic, yellow sandstone

• Soft, yellow, phosphatic sand

Size class: macrofossils

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 123268: authorized by Philip Mannion, entered by Philip Mannion on 17.01.2012, edited by Jonathan Tennant, Matthew Carrano and Nicholas Kahane

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Myliobatiformes - Rhombodontidae
Rhombodus binkhorsti Dames 1881 stingray
Isolated teeth
 Rajiformes - Sclerorhynchidae
Schizorhiza stromeri Weiler 1930 ray
Isolated teeth
 Lamniformes - Otodontidae
Cretolamna maroccana mackerel shark
Isolated teeth
Reptilia
 Squamata - Mosasauridae
Halisaurus arambourgi3 Bardet et al. 2005 mosasaur
WDC-CPM-100, partial skeleton, NHMM-LV-2005-1A, incomplete skull
"Russellosaurinae indet." = Russellosaurina1 Bell 1997 mosasaur
MNHN PMC 53
Gavialimimus almaghribensis n. gen. n. sp.4 Strong et al. 2020 mosasaur
MHNM.KHG.1231 (holotype), an articulated skull isolated left and right dentaries, articulated right posterior mandibular unit, isolated pterygoids, a partial right quadrate and four isolated vertebrae and the right humerus
Platecarpus ptychodon n. sp.1 Arambourg 1952 mosasaur
MNHN PMC 30 tooth and holotype; MNHN PMC 31 to 34 (teeth)
Mosasaurus cf. anceps1 mosasaur
MNHN PMC 41 to 50 (teeth)
Mosasaurus sp.1 Parkinson 1822 mosasaur
MNHN PMC 51-52, vertebrae
Mosasaurus beaugei n. sp.1 Arambourg 1952 mosasaur
MNHN PMC 7, tooth (holotype); MNHN PMC 8 and 9 (teeth); MNHN PMC 10 to 13 (teeth)
"Globidens aegyptiacus" = Igdamanosaurus aegyptiacus1 Zdansky 1935 mosasaur
MNHN PMC 29, a small tooth
Globidens simplex n. sp.2 LeBlanc et al. 2019 mosasaur
MHNM.KHG.221 - holotype (partial skeleton, partial skull, associated teeth; unconfirmed provenance)
Globidens phosphaticus1 Bardet et al. 2005 mosasaur
MNHN PMC 17 (tooth); MNHN PMC 18 and 19 (teeth)
Eremiasaurus heterodontus n. gen. n. sp. LeBlanc et al. 2012 mosasaur
UALVP 51744 - syntype (skull, vertebral cand phalangeal elementsolumn, isolated ribs, left scapula, coracoid and humerus, left and right ischia and ilia, femur, tibia, fibula, and isolated tarsal, metatarsal,)