Species: continiuus OWEN, 1841 (nomen vanum)
Etymology:
= Plesiosaurus continiuus OWEN, 1840 (sic)

Holotype:

Locality: From the quarry of Mr. Benstead, Kentish Rag Quarries, Kent County, England, Southern United Kingdom.

Horizon: Hythe Formation (Old Lower Greensand Formation, 'Trigonia-stratum' of Shanklin Sand).

Biostratigraphy:

Age: Aptian Stage, Gallic Subepoch, Early Cretaceous Epoch, Late Early Cretaceous.

Material: Tooth.

Referred material:

OWEN, 1851

Locality: Sussex County, England, Southern United Kingdom.

Horizon: Lower Chalk.

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: Tooth.

MADZIA, 2016

Locality:Haughton, near Arundel, West Sussex State, England, Southern United Kingdom.

Horizon: West Melbury Marly chalk or the Zig Zag Chalk Formation? (old Lower Chalk).

Biostratigraphy:

Age: Cenomanian Stage, Upper Middle Gallic Subepoch, Lower Gulf Epoch, Middle Cretaceous.

Material:

Number: Not given: Tooth.

 

Locality: Unknowon locality, Kent County? England, Southern United Kingdom.

Horizon: Chalk Group.

Biostratigraphy:

Age: ?Late Cretaceous.

Material:

Number: Not given: Tooth.

 

= Polyptychodon mackesoni OWEN, 1884 (nomen vanum) referred material.

Locality: Kent County, England, Southern United Kingdom.

Horizon: Chalk.

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: Crown of tooth.

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Species: neocamiensis SCHARDT, 1910 (nomen vanum)
Etymology:

Holotype:

Locality: Neuchatel, Switzerland.

Horizon:

Biostratigraphy:

Age: Hauterivian Stage, Upper Neocomian Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.

Material: Teeth.