Charmouth, E.C.H. Day collection (Jurassic of the United Kingdom)

Where: England, United Kingdom (50.7° N, 2.9° W: paleocoordinates 37.2° N, 3.0° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Arnioceras semicostatum-Echioceras raricostatum ammonoid zone, Charmouth Mudstone Formation, Sinemurian (199.3 - 190.8 Ma)

• The Lower Lias section at Charmouth is Sinemurian according to Benton & Spencer (1995) - including the Shales with Beef Member (Arnioceras semicostatum Zone) and Black Ven Marls Member (Echioceras raricostatum Zone) of the Charmouth Mudstone Formation.

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by E. C. H. Day, Esq. F.G.S in 1863; reposited in the BMNH

Collection methods: surface (in situ), mechanical,

Primary reference: R. Owen. 1865. Part I. Sauropterygia. Monographs on the fossil Reptilia of the Liassic formations 17(75):1-40 [R. Benson/R. Benson/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 118472: authorized by Roger Benson, entered by Roger Benson on 14.10.2011, edited by Jonathan Tennant

Creative Commons license: CC BY (attribution)

Taxonomic list

 Sauropterygia -
Plesiosauria indet. de Blainville 1835 plesiosaur
BMNH 39514 partial skull with part of the mandible, palate and braincase
 Sauropterygia - Pliosauridae
"Plesiosaurus conybeari" = Attenborosaurus conybeari
"Plesiosaurus conybeari" = Attenborosaurus conybeari Sollas 1881 plesiosaur
BMNH 40140, partial skeleton and skull
 Sauropterygia - Rhomaleosauridae
"Plesiosaurus rostratus n. sp." = Archaeonectrus rostratus
"Plesiosaurus rostratus n. sp." = Archaeonectrus rostratus Owen 1865 plesiosaur
BMNH 38525 (holotype skeleton)