Genus: Ophthalmosaurus SEELEY, 1874

Species: icenicus SEELEY, 1874
Etymology:

Holotype: BMNH R 2133

Locality: Peterborough, Cambridge, Cambridgeshire County, England, Southern United Kingdom.

Horizon: Oxford Clay.

Biostratigraphy:

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

Material: Basioccipital, both quadrates with portion of the squamosal attached, right and left stapes, left opisthotic, left parietal, several other fragments of the skull, some sclerotic plates, posterior portion of the left ramus of the mandible, atlas, axis, 35 precaudal vertebrae, 21 caudals, imperfect neural arches, fragments of ribs, the shoulder girdle, 14 carpals and phalanges.

Note: A severely deformed and fused left clavicle/scapula (ANDREWS, 1910, APPLEBY, 1956, PARDO-PEREZ, KEAR, GOMEZ, MORONI & MAXWELL, 2018).

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Species: natans (MARSH, 1879) HUENE, 1922

Referred material:

GILMORE, 1905

Locality: Freeze Out Mountains, in Carbon County, Wyoming.

Horizon: Sundance Formation (Sauranodon beds, Baptanodon Beds.)

Biostratigraphy:

Age: Late Jurassic.

Material:

No. 1441: Skull and fragmentary skeleton.

Note: Has skull damage that indicates nosediving into soft sediment, WAHL, 2009

WAHL, 2009

Locality: Natrona County, Wyoming.

Horizon: Sundance Formation.

Biostratigraphy: Camptonectes zone.

Age: Oxfordian Stage, Lower Malm Epoch, Late Jurassic.

Material:

UW 24816: Skull and fragmentary skeleton.

Note: Specimen shows pathology due to sever nose dive into soft sediment. The tip of the snout is bent and has other taphonomy that shows this is what happened.

= Ophthalmosaurus discus (MARSH, 1880) KUHN, 1934

Locality: Wyoming.

Horizon: Sundance Formation (Sauranodon beds, Baptanodon Beds.)

Biostratigraphy:

Age: Late Jurassic.

Material: Skull and fragmentary skeleton.

Referred material:

No. 878: Skull and fragmentary skeleton.

Note: Has skull damage that indicates nosediving into soft sediment, WAHL, 2009

No. 603: Skull.

Note: Has skull damage that indicates nosediving into soft sediment, WAHL, 2009