Ctenaspidae

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Ctenaspidae
Scientific classification
Kingdom:
Phylum:
Chordata
Class:
Subclass:
Heterostraci
Order:
(unranked):
Family:
Ctenaspidae
Genera

See text

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

Life reconstruction of Ctenaspis dentata

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 , Alainaspis, , , and , which was first described as a "Canadian amphiaspid."[1]

References[]

  1. ^ Lundgren, Mette, and Henning Blom. "Phylogenetic relationships of the cyathaspidids (Heterostraci)." GFF 135.1 (2013): 74-84.


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