Genus: Lirainosaurus SANZ, POWELL, LE LOEUFF, MARTINEZ & SUBERBIOLA, 1999
Etymology: After the Basque term lirain, meaning slender and Greek, sauros, « lizard » : Lirian lizard.

Species: astibiae SANZ, POWELL, LE LOEUFF, MARTINEZ & SUBERBIOLA, 1999
Etymology: In honor of Dr. Humberto Astibia, leader of the research at the outcrop in Lano.
= Genus nova, PEREDA-SUBERBIOLA, BARDET, CORRAL, ASTIBIA & FLOQUET, 1993

Holotype: MCNA 7458

Locality: Lano 1A, 1B and L2 levels, Trevino County, about 20 km SE of the City of Vitoria, Basque-Cantabric Basin, Iberian Peninsula, Spain.

Horizon: Sobrepena Formation.

Biostratigraphy:

Age: Uppermost Campanian-Lowermost Maastrichtian Stage, Upper Senonian subepoch, Upper Upper Gulf Epoch, Late Cretaceous.

Material:

Paratype:

MCNA 7473, 7474: 2 osteoderms.