Lyme Regis: Pinhay Bay (Lower Lias, general) (Jurassic to of the United Kingdom)

Also known as Charmouth

Where: England, United Kingdom (50.7° N, 2.9° W: paleocoordinates 37.4° N, 4.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Lias Group, Early/Lower Hettangian to Early/Lower Hettangian (201.3 - 183.0 Ma)

• group-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Reposited in the BMNH

• Also in OUMNH collection

Primary reference: A. R. I. Cruickshank. 1994. A juvenile plesiosaur (Plesiosauria: Reptilia) from the Lower Lias (Hettangian: Lower Jurassic) of Lyme Regis, England: a pliosauroid-plesiosauroid intermediate?. Zoological Journal of the Linnean Society 112:151-178 [R. Benson/R. Benson/R. Benson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 118938: authorized by Roger Benson, entered by Roger Benson on 18.10.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Sauropterygia -
Plesiosaurus macrocephalus1, "Plesiosaurus dolichodeirus" = Plesiosaurus dolichodeirus1, "Plesiosaurus macromus n. sp." = Plesiosaurus dolichodeirus2, Plesiosaurus platydeirus n. sp.1
Plesiosaurus macrocephalus1 Owen 1840 plesiosaur
OUMNH J.10540 (vertebra) 'very probably referable to this species' (p. 55)
"Plesiosaurus dolichodeirus" = Plesiosaurus dolichodeirus1 Conybeare 1824 plesiosaur
"This species... is commonly met with at Lyme Regis"
"Plesiosaurus macromus n. sp." = Plesiosaurus dolichodeirus2 Conybeare 1824 plesiosaur
OUMNH J.28587 (holotype partial postcranium) - Philpotts collection (collected by Mary Anning)
Plesiosaurus platydeirus n. sp.1 Owen 1854 plesiosaur
Holotype 1 cervical and 1 caudal vertebra
 Sauropterygia - Pliosauridae
"Plesiosaurus hawkinsi" = Thalassiodracon hawkinsii1
"Plesiosaurus hawkinsi" = Thalassiodracon hawkinsii1 Owen 1840 plesiosaur
"In Dorset, specimens of P. hawkinsi have been found int he Lias of Lyme Regis" (p. 54)
 Sauropterygia - Rhomaleosauridae
Eurycleidus arcuatus Owen 1840 plesiosaur
OUMNH J.28585 (juvenile partial skull and skeleton) - Philpotts collection [Jaw and propodial in Philpott collection and now in the OUMNH, plus BMNH 2124 and 40094 (teeth)]
Anningasaura lymense n. gen. n. sp.3 Vincent and Benson 2012 plesiosaur
BMNH 49202 (holotype skull and cervical vertebrae)