Old Roar Quarry (BMNH) (Cretaceous of the United Kingdom)

Also known as St. Leonard's-on-Sea, Leonards

Where: England, United Kingdom (50.8° N, 0.5° E: paleocoordinates 41.7° N, 10.1° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Wadhurst Clay Formation (Wealden Group), Early/Lower Valanginian (140.2 - 136.4 Ma)

• The Wadhurst Clay Formation of the Hastings Beds Subgroup has an ages of Lower Valanginian according to Radley (2006; vide Allen & Wimbledon 1991)

• bed-level stratigraphic resolution

Environment/lithology: lacustrine - small; claystone

• Shallow, freshwater to slightly brackish lakes, including horsetail ‘reed’ bed and terrestrial fauna. Fossils throughout the Wadhurst Clay Formation include ostracods, conchostracans (‘clam-shrimps’), pond-snails and the low-salinity bivalve Neomiodon. Widespread siltstone and fine sandstone gutter- and scour-fills indicate storm activity and/or fluvial runoff into the Wadhurst lakes (Radley 2006)

Size class: macrofossils

Collected by S. H. Beckles in 1871; reposited in the BMNH

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

Primary reference: R. Owen. 1872. Monograph on the fossil Reptilia of the Wealden Formation. Supplement no. IV. Dinosauria (Iguanodon). 25:1-15 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52577: authorized by Matthew Carrano, entered by Matthew Carrano on 11.08.2005, edited by Roger Benson

Creative Commons license: CC BY (attribution)

Taxonomic list

 Neornithischia - Iguanodontidae
"Sellacoxa pauli n. gen. n. sp." = Barilium dawsoni1
"Sellacoxa pauli n. gen. n. sp." = Barilium dawsoni1 Lydekker 1888 iguanodontid
 Sauropterygia - Leptocleididae
"Cimoliasaurus valdensis" = Hastanectes valdensis2
"Cimoliasaurus valdensis" = Hastanectes valdensis2 Lydekker 1889 plesiosaur
BMNH R14371 (isolated vertebrae)