Ridgeway Hill, railway cutting (Cretaceous of the United Kingdom)

Where: England, United Kingdom (50.7° N, 2.5° W: paleocoordinates 41.5° N, 7.5° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Ashdown Formation (Wealden Group), Late/Upper Berriasian (145.0 - 140.2 Ma)

• from "at the base of the series." 'Hastings Beds' now a subgroup that includes the Ashdown Formation, the Wadhurst Clay Formation and the Tunbridge Wells Sand Formation, so this is probably Ashdown Fm.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithified, blue claystone

• "stiff blue clay"

Size class: macrofossils

Collected by G. A. Mantell

• mentioned by Weston, Stuart, and Samon; some remains in County Museum, Dorchester

Primary reference: R. Damon. 1860. Handbook to the Geology of Weymouth and the Island of Portland. With Notes on the Natural History of the Coast and Neighbourhood. Edward Stanford, London 1-199 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 80516: authorized by Matthew Carrano, entered by Matthew Carrano on 21.04.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

 Saurischia - Megalosauridae
Megalosaurus sp. Parkinson 1822 tetanuran
 Ornithischia - Nodosauridae
Hylaeosaurus sp. Mantell 1833 ornithischian
 Neornithischia -
Iguanodon sp. Mantell 1825 bird foot dinosaur
GSM 108552 plus lost "thumb spike"
 Sauropterygia - Plesiosauridae
Plesiosauridae indet. Gray 1825 plesiosaur
GSM 10549-51
 Sauropterygia - Pliosauridae
Pliosauridae indet. Seeley 1874 plesiosaur
GSM 108547-8
  - Sigillariaceae