Hypsilophodon Bed, Cowleaze Chine (Cretaceous of the United Kingdom)

Where: England, United Kingdom (50.6° N, 1.4° W: paleocoordinates 40.9° N, 9.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Wessex Formation (Wealden Group), Late/Upper Barremian (130.0 - 125.5 Ma)

• from the "Hypsilophodon Bed", top of Wessex Formation (=Wealden Marls)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; red, carbonaceous marl and brown, sandy claystone

• "The bed consists of redish-blue marl. In the lower part of the Bed there are, in addition, several rocky bands of varying thickness."; "sandy clay-stone"; "light brown sand rock"

Size class: macrofossils

Preservation: soft parts

Collected by J. S. Bowerbank, G. A. Mantell, W. Fox in 1849, 1868; reposited in the BMNH

Collection methods: surface (float), surface (in situ), mechanical,

• single block broken in two, found by workmen, and sent to different collectors

Primary reference: R. Owen. 1855. Monograph on the fossil Reptilia of the Wealden and Purbeck Formations. Part II. Dinosauria (Iguanodon). [Wealden]. The Palaeontographical Society, London 1854:1-54 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 26791: authorized by Matthew Carrano, entered by Matthew Carrano on 01.11.2002, edited by Kaitlin Maguire and Richard Butler

Creative Commons license: CC BY (attribution)

Taxonomic list

 Testudines - Trionychidae
? Trionyx sp.1 Geoffroy Saint-Hilaire 1809 softshell turtle
 Neornithischia -
Hypsilophodon foxii4 Huxley 1870 ornithischian
Hypsilophodon foxii n. gen. n. sp.3 Huxley 1870 ornithischian
BMNH R196, R197
 Neornithischia - Dryosauridae
Valdosaurus canaliculatus n. gen. n. sp.2
Valdosaurus canaliculatus n. gen. n. sp.2 Galton 1975 bird foot dinosaur
BMNH R185, R186, pair of femora.
 Loricata - Goniopholididae
? Goniopholis sp.1 Owen 1842 crocodilian