Genus: Ischyrosaurus HULKE, 1874 non COPE, 1869 (nomen dubium)
Etymology: Greek, ischyros, “strong”, and Greek, sauros, “lizard”: “Strong lizard”.

Species: manseli HULKE, 1874 (nomen dubium)
Etymology:
= Pelorosaurus manseli HULKE, 1874 vide LYDEKKER, 1888 (nomen dubium)
= Ornithopsis manseli (HULKE, 1874) DELAIR, 1959 (nomen dubium)

Holotype: NHMUK (old BMNH) 41626

Locality: West side of Clavell's Tower, Between Kimmeridge Bay and Clavell's Head, Dorset Coast, Dorset County, England, Southern United Kingdom.

Horizon: Lower Kimmeridge Clay.

Biostratigraphy:

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

Material: Left humerus lacking deltoid crest.

Referred material:

LYDEKKER, 1890

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

Horizon: Kimmeridge Clay.

Biostratigraphy:

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

Material:

Woodwardian Museum at Cambridge: Fragmentary sacral vertebra.

NHMUK (old BMNH) R1486: Cast of the above.
Note: One of the types of Gigantosaurus by SEELEY, 1869.

 

= Morinosaurus typus SAUVAGE, 1874 (nomen dubium)
Etymology:

Holotype: Not given.

Locality: Boulogne-sur-Mer, Pas-de-Calais Department, France.

Horizon: Upper Kimmeridge Clay.

Biostratigraphy:

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

Material: Tooth.
Note: Now lost.

Referred material:

Number: Not given: Another fragmentary tooth.

 

SAUVAGE, 1880

Locality: Boulonnais, Pas-de-Calais Department, France.

Horizon:

Biostratigraphy:

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

Material:

Number: Not given: A worn vertebrae.