Coelolepis

Coelolepis
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Subphylum:	Vertebrata
Class:	†Thelodonti
Order:	†Thelodontiformes
Family:	†Coelolepidae
Genus:	†Coelolepis Pander, 1856
Species
†C. acuta †C. carinata †C. dentata †C. findata †C. goebeli †C. laevis †C. luhai †C. muelleri †C. navicularis †C. schmidti †C. simplex †C. solida †C. sulcata †C. trisulcata

Coelolepis is an extinct genus of jawless fish of the Silurian.

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Wikipedia