Genus: Plesiosuchus OWEN, 1884
Etymology:

Species: mansellii (HULKE, 1870) WOODWARD, 1885
= Steneosaurus mansellii HULKE, 1870
Etymology: In honor of its discoverer, Mansel; 'Mansel's terring lizard'.
= Plesiosuchus mansellii (HULKE, 1870) OWEN, 1884

Holotype: NHMUK PV (NHM, BMNH) 40103

Locality: Kimmeridge Bay, Gaulter Gap-Broad Bench, Dorset County, England, Southern United Kingdom.

Horizon: Lower Kimmeridge Clay Formation.

Biostratigraphy: austissiodorensis ammonite zone.

Age: Early Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material: Skull missing orbits and area around it and skeletal elements.

Also part of the type.

NHMUK PV (NHM, BMNH) 40103a: Right mandibular ramus, some isolated teeth, a humerus, and numerous ribs and vertebrae that are partially or completely imbbed in teh matrix.

NHMUK PV (NHM, BMNH) 40103b: Skull, cervical vertebrae and ribs.

NHMUK PV (NHM, BMNH) OR40401: Occipital condyle. (Donated to the University of Toronto through Professor Ramsay Wright in 1900, YOUNG, et al., 2012)

NHMUK PV (NHM, BMNH) OR40105: Carpal and tarsals.(Donated to the University of Toronto through Professor Ramsay Wright in 1900, YOUNG, et al., 2012)

 

Referred material:

ETCHES, 1999

Locality: “Dorset County”, England, Southern United Kingdom.

Horizon: Upper Kimmeridge Clay.

Biostratigraphy:

Age: Upper Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material:

K181: Isolated teeth, partial maxilla?, partial left mandible, ribs, vertebrae and femur.

K434: Incomplete dentary.

Note: All identified by Steve Etches. For more precise locality data see ETCHES, 1999.

 

LYDEKKER, 1888

Locality: Schnaitheim, Baden-Württemberg State, Germany.

Horizon: White Jura.

Biostratigraphy:

Age: Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material:

NHMUK PV (NHM, BMNH) 33186: Crowns of 2 large teeth.

NHMUK PV (NHM, BMNH) 35835-7: Crowns of 3 teeth.

NHMUK PV (NHM, BMNH) 35766: Crowns of 3 large teeth.

NHMUK PV (NHM, BMNH) 33186: Crowns of 5 teeth.

 


Locality: Boulogne, France.

Horizon: Kimmeridge Clay.

Biostratigraphy:

Age: Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material:

NHMUK PV (NHM, BMNH) 32414: Crowns of 2 large teeth.

 


Locality: Ely, Cambridgeshire County, England, Southern United Kingdom.

Horizon: Kimmeridge Clay.

Biostratigraphy:

Age: Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material:

NHMUK PV (NHM, BMNH) 20283: Crown of a tooth.

NHMUK PV (NHM, BMNH) 43030: Crown of a small tooth.

NHMUK PV (NHM, BMNH) 46342: Crown of a small tooth.

 


Locality: Potton, Cambridgeshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Neocomian Subepoch, Early Cretaceous Epoch, Early Cretaceous.

Material:

NHMUK PV (NHM, BMNH) 40438: Crowns of 5 teeth.

NHMUK PV (NHM, BMNH) 40428: Centrum and arch of a dorsal vertebra.

 


Locality: Oxford, Oxfordshire County, England, Southern United Kingdom.

Horizon: Oxford Clay.

Biostratigraphy:

Age: Callovian Stage, Upper Dogger Epoch, Late Jurassic.

Material:

NHMUK PV (NHM, BMNH) R486: Fragmentary crown.

NHMUK PV (NHM, BMNH) 47989-90: Crowns of 5 teeth.

 


Locality: Vaches Noires, Normandy, France.

Horizon: Oxford Clay.

Biostratigraphy:

Age: Callovian Stage, Upper Dogger Epoch, Late Jurassic.

Material:

NHMUK PV (NHM, BMNH) 32648: Crown of a tooth.

NHMUK PV (NHM, BMNH) 32643-4: Crowns of 2 small teeth.

 


Locality: Unknown, England, Southern United Kingdom.

Horizon: Kimmeridge Clay.

Biostratigraphy:

Age: Kimmeridgian Stage, Middle Dogger Epoch, Late Jurassic.

Material:

NHMUK PV (NHM, BMNH) 44905: Crown of a tooth.

 

= Dakosaurus sp RUIZ-OMENACH, PINUELA, & GARCIA-RAMOS, 2010

Locality: La Griega Beach, Asturias Principality, Northern Spain.

Horizon: Tereues Formation.

Biostratigraphy:

Age: Kimmeridgian Stage, Middle Malm Epoch, Late Jurassic.

Material:

MUJA-1004: Isolated tooth.

 

YOUNG, BRUSATTE, ANDRADE, DESOJO, BEATTY, STEEL, FRENANDEZ, SAKAMOTO, RUIZ-OMENACA & SCHCH, 2012

Locality: Kimmeridge, Dorset County, England.

Horizon: Upper Kimmeridge Clay Formation.

Biostratigraphy: Pectinatites wheatleyensis Sub-Boreal Ammonite Zone.

Age: Lower Tithonian Stage, Middle Malm Epoch, Late Jurassic.

Material:

NHMUK PV R1089: Incomplete skull (braincase with part of supratemporal arches) and mandible.

 

 

= Steneosaurus rostro-minor (GEOFFROY SAINT-HILAIRE) HULKE, 1869
= Machimosaurus mosae (SAUVAGE & LIENARD) LYDEKKER, 1888
= Dracosaurus maximus (PLIENINGER) LYDEKKER, 1888
= Dacosaurus manselii (HULKE, 1870) FRAAS, 1902

_____________________________________________________________________________________