Ctenaspidae

Ctenaspidae
Life reconstruction of Ctenaspis dentata
Scientific classification
Kingdom:
Phylum:
Class:
Pteraspidomorphi
Subclass:
Order:
(unranked):
Family:
Ctenaspidae
Genera

See text

Ctenaspidae is a family of extinct cyathaspidiform heterostracan agnathans in the suborder Cyathaspidida.

If Amphiaspidida can be ignored as a daughter-taxon, the family Ctenaspidae contains Ctenaspis and its various sister-taxa originally contained within both Ctenaspididae and Ctenaspididae, including Allocryptaspis, Alainaspis, Zaphoctenaspis, Arctictenaspis, and Boothiaspis, which was first described as a "Canadian amphiaspid."

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