Ctenopleuron

Ctenopleuron is an extinct genus of jawless fish in the class Anaspida. It is considered to have existed in the Paleozoic epoch between 423 and 419 Ma.^[2]

Ctenopleuron Temporal range: Silurian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Anaspida
Order:	†Birkeniiformes
Family:	†Birkeniidae
Genus:	†Ctenopleuron Matthew, 1907[1]
Species
†Ctenopleuron nerepisense Matthew, 1907 (type)