Genus: Gadusaurus SOUSA, ROLDAO, RIOS & PUERTOLAS-PASCUAL, 2025
= Gadusarus SOUSA, ROLDAO, RIOS & PUERTOLAS-PASCUAL, 2025 (sic)
Etymology: Latin, gadu, "codfish" and Greek, sauros, "lizard". In reference to both the ichthyosaur fish-like body shape, adn teh proclivity for codfish in Portuguese cuisine.

Species: aqualigneus SOUSA, ROLDAO, RIOS & PUERTOLAS-PASCUAL, 2025 (Type)
= Gadusarus aqualigneus SOUSA, ROLDAO, RIOS & PUERTOLAS-PASCUAL, 2025 (sic)
Etymology: Latin, aqua, "water" and Latin,lignum, "wood". In reference to Agua de Madeiros, which roughly translates to "water of woods", the beach where the specimen was found.

Holotype: ML 2750

Locality: Praia de Agua de Madeiros, sao Pedro de Moel, 39°44'28.20"N, 92°2'20.92"W, Municipality of Marinha Grande, Portugal.

Horizon: Upper part of the Polvoeira Member, Agua de Madeiros Formation.

Biostratigraphy:

Age: Upper Sinemurian Stage, Lias Epoch, Early jurassic.

Material: Fragmentary skull and dentary.