Chawley brick pit, Cumnor (d) (Jurassic of the United Kingdom)

Also known as Iguanodon prestwichii type

Where: England, United Kingdom (51.7° N, 1.3° W: paleocoordinates 42.4° N, 8.5° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Auloacostephanus pseudomutabilis zone, Lower Member (Kimmeridge Clay Formation), Late/Upper Kimmeridgian (155.7 - 150.8 Ma)

• described as "upper Lower Kimmeridgian" by Galton & Powell; eudoxus Zone; bed d = "Iguanodon-bed", thickness to middle of bed

• bed-level stratigraphic resolution

Environment/lithology: marine; claystone and white, yellow, sandy claystone

• "a thin seam, two or three inches thick, of yellow sandy clay...The thin sandy seam, being very conspicuous in the dark clay..."

Size class: macrofossils

Collected by J. Prestwich in 1879-1880

Collection methods: quarrying, mechanical,

Primary reference: J. Prestwich. 1879. On the discovery of a species of Iguanodon in the Kimmeridge Clay near Oxford; and a notice of a very fossiliferous band of the Shotover Sands. Geological Magazine, new series, decade 2 6(5):193-195 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 26790: authorized by Matthew Carrano, entered by Matthew Carrano on 01.11.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

 Lingulida - Lingulidae
Lingula ovalis2 Sowerby 1813
 Ostreida - Gryphaeidae
Gryphaea virgula2 oyster
"occurs here in profusion"
 Carditida - Astartidae
Astarte sp.2 Sowerby 1816 clam
"small species"
 Trigoniida - Trigoniidae
Trigonia sp.2 Bruguière 1789 clam
 Pleurotomariida - Pleurotomariidae
Pleurotomaria sp.2 Defrance 1826 snail
"small species"
 Neornithischia -
"Iguanodon prestwichii n. sp." = Cumnoria prestwichii1
"Iguanodon prestwichii n. sp." = Cumnoria prestwichii1 Hulke 1880 bird foot dinosaur
OUM J.3303