KB-17, Koum Basin (Cretaceous to of Cameroon)

Also known as Manangia

Where: Nord, Cameroon (8.3° N, 14.5° E: paleocoordinates 8.1° S, 5.0° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Mbissirri Member (Koum Formation), Aptian to Aptian (125.0 - 100.5 Ma)

• four successive sandstone beds

• group of beds-level stratigraphic resolution

Environment/lithology: "floodplain"; paleosol/pedogenic, fine-grained sandstone and fine-grained, red, silty mudstone

• "predominately fluvial and overbank deposits"; "lacustrine and aggraded meandering stream sediments within a fine-grained meander belt"
• "reddish fine-grained silty mudstones, clay shales, thin limestones and sandstones"; fine sand with root casts and mud cracks, 2D ripples

Size class: macrofossils

Preservation: trace

Primary reference: L. J. Flynn and M. Brunet. 1989. Early Cretaceous vertebrates from Cameroon. Journal of Vertebrate Paleontology 9(3, suppl.):21A [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 38917: authorized by Matthew Carrano, entered by Matthew Carrano on 17.05.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Dinosauria -
Dinosauria "indet. 6" dinosaur
trackways 8, 10, 28; "Type 6", undertracks of "Theropod A" or Ouranosaurus
 Saurischia -
Theropoda "indet. 3" theropod
trackways 12-13, 16-17, 20, 22-23, 26-27, 30, 34-36, 44; "Type 3" possibly from "Theropod A"
Theropoda "indet. 1" theropod
trackways 40-41, 45; "Type 1", possibly from "Theropod B"
Theropoda "indet. 2" theropod
trackways 4, 9; "Type 2", possibly from Spinosaurus
Theropoda "indet. 5" theropod
trackways 11, 14-15, 18, 21, 33; "Type 5", possibly from "Theropod A"
 Neornithischia -
Ornithopoda "indet. 4" bird foot dinosaur
trackways 2-3, 6, 24-25, 29, 31-32, 37; "Type 4", possibly from Ouranosaurus