Paralogania

Paralogania
Temporal range: Upper Silurian
Representative denticle of Paralogania.
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Thelodonti
(unranked): Loganiidae
Genus: Paralogania

Paralogania is a genus of thelodont known from the Upper Silurian (Wenlock / Ludlow); the best deposits are from the Baltic region, but it is widespread in the northern hemisphere.[1]