Paralogania

Paralogania is an extinct genus of thelodonti fish that is known from the Upper Silurian geological period (Wenlock / Ludlow); the best fossil deposits are from the Baltic Sea region, but it is widespread in the Northern Hemisphere.^[1]

Paralogania Temporal range: Upper Silurian PreꞒ Ꞓ O S D C P T J K Pg N
Representative denticle of Paralogania.
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Subphylum:	Vertebrata
Infraphylum:	Agnatha
Order:	†Loganelliformes
Family:	†Loganiidae
Genus:	†Paralogania