Species: dolichodeirus CONYBEARE, 1824
Etymology:

Holotype: BMNH 22656

Locality: Lyme Regis coast, Pinhay Bay- Charmouth, (SY 3291-SY 3794), Dorset County, England, Southern United Kingdom.

Horizon: Black Ven Marl Formation.

Biostratigraphy: Echoceras raricostatum zone.

Age: Uppermost Sinemurian Stage, Lower Lias Epoch, Early Jurassic.

Material: Skull and Skeleton of a young adult.

Referred material:

VINCENT & TAQUET, 2010

MNHN A.C. 8502: Fragmentary skeleton.

 

cf. dolichodeirus HUENE & MAUBEUGE, 1952

Locality: Jeandelaincourt, Meurthe-et-Moselle Department, France.

Horizon:

Biostratigraphy:

Age: Lias Epoch, Early Jurassic.

Material:

Number: Not given: Dorsal vertebrae.

 

LYDEKKER, 1889

Locality: Lyme Regis coast, Pinhay Bay- Charmouth, (SY 3291-SY 3794), Dorset County, England, Southern United Kingdom.

Horizon:

Biostratigraphy: Caenisites obtusum zone.

Age: Hettangian-Pliensbachian Stage, Lower Lias Epoch, Early Early Jurassic.

Material:

BMNH R1756: Slab showing a considerable part of the vertebrae and the pelvis, together with the paddles of the right side probably referable to the same individual.

 

OWEN, 1854

Locality: Lyme Regis coast, Pinhay Bay- Charmouth, (SY 3291-SY 3794), Dorset County, England, Southern United Kingdom.

Horizon:

Biostratigraphy: Caenisites obtusum zone.

Age: Hettangian-Pliensbachian Stage, Lower Lias Epoch, Early Early Jurassic.

Material:

ROYAL COLLEGE OF SURGEONS 223: A crushed cervical vertebra.

ROYAL COLLEGE OF SURGEONS 224: Caudal centrum.

 

Locality: Found in Mr. Anthony Merry’s house, in Queen’s Square, Westminster, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Early Jurassic.

Material:

ROYAL COLLEGE OF SURGEONS 225: Dorsal vertebra.

 

OWEN, 1865

Locality: Charmouth, Dorset County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Lower Lias Epoch, Early Jurassic.

Material:

Number: Not given: Skull and skeleton.

 

PERSSON

Locality: Jeandelaincourt, Meurthe-et-Moselle Department, North East France.

Horizon:

Biostratigraphy: Amaltheus margaritatus zone.

Age: Middle Lias Epoch, Middle Early Jurassic.

Material:

Number: Not given: Vertebrae.

 

Locality: Langenbruckener Senke, South Germany.

Horizon:

Biostratigraphy: Arietites bucklandi zone.

Age: Earliest Sinemurian stage, Lower Lias Epoch, Early Early Jurassic.

Material:

Number: Not given: Vertebrae and girdles.

 

Locality: Vaihingen, Baden-Wurttemberg State, South Germany.

Horizon:

Biostratigraphy: Arietites bucklandi zone.

Age: Earliest Sinemurian Stage, Lower Lias Epoch, Early Early Jurassic.

Material:

Stuttgart Naturaliensammlung: Limb bones.

 

REIFF,

Locality: Malsch-Baden, Tubingin, Baden-Wurttemberg State, Germany.

Horizon:

Biostratigraphy:

Age: Lias Epoch Early Jurassic.

Material:

Karlsurhe Bad. Landessammlung F. Naturkde: Dorsal vertebrae, rib fragments, coracoid and fragment of ilium.

Karlsurhe Bad. Landessammlung F. Naturkde: Fragment of ilium.

 

STORRS, 1997

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

BMNH 28332, 33287, 36183, 39490, 39491, 41101:

BMNH R.255: A complete jaw.

BMNH R.1313: Skull, dentary and cervical vertebrae.

BMNH R1314: A well preserved right forelimb.

BMNH ?R.1315, R.1316, ?R.1330,

BMNH R1756: A partial skeleton with good right limbs.

?BRSMG Ce17972: The smallest potential Plesiosaurus skeleton know, Storrs in press.

JMM FC M 032:

NMING F8758: Skull, palatal view.

OXFUM J.10304, J.13809, J.28586: Typical dentaries.

J.228587, TM13286:

YPM 1654: An isolated pair of dentries with well-preserved teeth.

YPM-PU 3352: A juvenile specimen.

Numerous isolated, but frequently nondiagnostic bones.

 

VINCENT, TAQUET, FISCHER, BARDET, FALCONNET, & GODEFROIT, 2014

Locality: Lyme Regis coast, Dorset County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Hettangian-Pliensbachian Stage, Lower Lias Epoch, Early Early Jurassic.

Material:

MNHN AC 8592: A partial postcranial skeleton.

MNHN AC 8581: A partial mandible.

 

= Plesiosaurus homei GRAY, 1831
Etymology:

Holotype:

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

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