Proganosauria

Proganosauria

[prō‚gan·ə′sȯr·ē·ə]
(paleontology)
The equivalent name for Mesosauria.

Proganosauria

 

a subclass of fossil aquatic lizard-like reptiles. Their relationship to other groups of reptiles is not clear. The Proganosauria are represented by a single order of Mesosauria.