Genus: Aegirosaurus BARDET & FERNANDEZ, 2000
Etymology: From Aegir, god of the oceans and the seashores in the Germanic and Scandinavian mythology, and Greek, sauros, Lizard: Aegir’s lizard.

Species: leptospondylus (WAGNER, 1853) BARDET & FERNANDEZ, 2000
Etymology:

Neotype: SM

Locality: Schrandel quarry district, South of langenaltheim, Bayern (Bavaria) State, Germany.

Horizon: Solnhofen

Biostratigraphy: Malm Zeta 2b.

Age: Lower Lower Tithonian Stage, Upper Malm Epoch, Latest Jurassic.

Material: Almost complete specimen with soft tissue impressions.