Genus: Opetiosaurus KORNHUBER, 1901
Etymology:

Species: buccichi KORNHUBER, 1901
Etymology:
= Aigialosaurus buccichi (KORNHUBER, 1901) CALDWELL, CARROLL & KAISER, 1995

Holotype: Naturhistorisches Museum Wien unnumbered.

Locality: A limestone quarry (now backfilled) between the villages of Starigrad adn Vrboska on the island of Hvar (As per DUTCHAK & CALDWELL, 1990), Lesin, in the Dalmatian archipelago and near Comeno, Nomen North of Trieste, Croatia (old Yugoslavia).

Horizon:

Biostratigraphy:

Age: Cenomanian Stage, Uppermiddle Gallic Subepoch, Lowermost Gulf Epoch-Turonian Stage, Uppermost Gallic Subepoch, Lower Gulf Epoch, Middle Cretaceous.

Material: Fragmentary skull and fragmentary skeleton.