Bentiaba (Cretaceous of Angola)

Also known as Sao Nicolau

Where: Namibe, Angola (14.3° S, 12.4° E: paleocoordinates 25.2° S, 1.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Maastrichtian (72.1 - 66.0 Ma)

• Middle Maastrichtian

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected in 2005 - 2007

Primary reference: M. T. Antunes. 1964. O Neocretacio e o Cenozoico do litoral de Angola. Junta de Investigcoes do Ultramar 1-254 [M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 106705: authorized by John Alroy, entered by John Alroy on 28.03.2011, edited by Philip Mannion and Jonathan Tennant

Creative Commons license: CC BY (attribution)

Taxonomic list

• not the same as a previous Bentiaba = San Nicolau collection reported by Antunes 1964
unclassified
  -
Mollusca spp.1 Linnaeus 1758
Gnathostomata
  -
Chondrichthyes spp.1 Huxley 1880 cartilaginous fish
Osteichthyes spp.1 bony fish
Reptilia
 Testudines - Protostegidae
cf. Calcarichelys sp.1 Zangerl 1953 sea turtle
MGUAN-PA167, neural scute
Protostega sp.1 Cope 1871 sea turtle
MGUAN-PA158, two humeri, three costal plates, one xiphiplastron, one peripheral plate (single animal)
 Testudines -
Toxochelys sp.1 Cope 1873 turtle
MGUAN-PA168, hyoplastron, peripherals and costal plates
 Testudines - Pancheloniidae
Euclastes sp.1 Cope 1870 turtle
MGUAN-PA157, complete skull and mandible, cervical vertebrae, peripheral plates, forelimb
 Dinosauria -
Dinosauria indet.1 Owen 1842 dinosaur
MGUAN-PA175, distal part of humerus
 Neornithischia -
Hadrosauroidea indet.1 Huene 1954 bird foot dinosaur
MGUAN-PA176, a single phalanx
 Pterosauria -
Ornithocheiroidea indet.1 pterosaur
MGUN-PA163, left femur
 Squamata - Mosasauridae
Globidens phosphaticus2 Bardet et al. 2005 mosasaur
PA24 (a partial skeleton including many elements of the skull and some postcrania) and PA23 (a fragmentary skull and posterior dorsal vertebra)
Prognathodon kianda n. sp.3 Schulp et al. 2008 mosasaur
MGUAN-PA129 (holotype), MGUAN-PA128, MGUAN-PA149, MGUAN-PA150, MGUAN-PA151 - several specimens of different ontogenetic ages; shed teeth, isolated bones, partial skulls and skeletons
Liodon sp.1 Owen 1842 mosasaur
Halisaurus sp.1 Marsh 1869 mosasaur
MGUAN-PA18, two partial skeletons including many elements of the skulls, vertebrae, ribs and limbs
cf. Platecarpus ptychodon1 mosasaur
MGUAN-PA160, two partial skulls and skeletons including limb material, isolated tooth crowns [new genus not erected but required]
Phosphorosaurus sp.1 Dollo 1889 mosasaur
MGUAN-PA52, isolated partial frontal
 Sauropterygia - Elasmosauridae
Elasmosauridae indet.1 Cope 1869 elasmosaur
MGUAN-PA113, basicranium, and MGUAN-PA126, symphyseal region of the mandibl, various unnumbered specimens, teeth
cf. Tuarangisaurus sp.1 Wiffen and Moisley 1986 elasmosaur
MGUAN-PA85, MGUAN-PA106, MGUAN-PA120, propodials, cervical and pectoral vertebrae, and pectoral and pelvic elements