Rockhill Quarry, Maidstone Iguanodon (Cretaceous of the United Kingdom)

Also known as Iguanodon Quarry, Rock Hill

Where: England, United Kingdom (51.2° N, 0.7° E: paleocoordinates 41.3° N, 11.4° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Hythe Formation (Lower Greensand Group), Early/Lower Aptian (125.5 - 122.5 Ma)

• also called "Shanklin-sand" and "Kentish rag"

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, sandy limestone

• "marine arenaceous beds"; "a hard variety of limestone"; "grey arenaceous limestone"

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by W. H. Bensted in 1834; reposited in the BMNH

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

• listed as Mr. Bensted by Buckland and Mr Prinsted and Mr Binsted by Mantell

Primary reference: G. A. Mantell. 1834. Discovery of the bones of the Iguanodon in a quarry of Kentish Rag (a limestone belonging to the lower greensand formation) near Maidstone, Kent. Edinburgh New Philosophical Journal 17(33):200-201 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52568: authorized by Matthew Carrano, entered by Matthew Carrano on 11.08.2005, edited by Roger Benson

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Terebratulida - Terebratulidae
Terebratula sp. Müller 1776
Bivalvia
 Ostreida - Gryphaeidae
 Ostreida - Bakevelliidae
 Trigoniida - Trigoniidae
Trigonia sp. Bruguière 1789 clam
Reptilia
 Testudines -
Protemys serrata n. gen. n. sp.3
Protemys serrata n. gen. n. sp.3 Owen 1849 turtle
Mr Bensted, the owner of the quarry, had the good fortune to discover the dislocated remains of the carapace and plastron of a chelonian reptile
 Neornithischia - Iguanodontidae
"Mantellodon carpenteri n. gen. n. sp." = Mantellisaurus atherfieldensis2
"Mantellodon carpenteri n. gen. n. sp." = Mantellisaurus atherfieldensis2 Hooley 1925 iguanodontid
"now placed in the splendid museum of Mr. Mantell at Brighton"
 Sauropterygia -
"Polyptychodon continuus n. sp." = Plesiosaurus continuus3, Plesiosaurus latispinus n. sp.4
"Polyptychodon continuus n. sp." = Plesiosaurus continuus3 Owen 1841 plesiosaur
tooth
Plesiosaurus latispinus n. sp.4 Owen 1854 plesiosaur
about a dozen vertebrae, with ribs, scapulae, portions of the coracoid bones, and ilium, and a few other parts of the skeleton
unclassified
  -
Coniferophyta indet.1
"coniferous wood"