Fish
Vertebrates
Animals
Existence

Pteraspidomorphi
(Taxonomic Rank: Superclass)
Extinct jawless fish with extensive dermal armor covering their heads which lived during the Early Ordovician to the Late Devonian period.

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Arandaspis
Order: Arandaspidiformes

Astraspis
Order: Astraspidiformes

Cardipeltis
Order: Cardipeltida

Corvaspis
Order: Corvaspidida

Cyathaspis
Order: Cyathaspidiformes

Lepidaspis
Order: Lepidaspidida

Protaspis
Order: Pteraspidiformes

Protopteraspis
Order: Pteraspidiformes

Pteraspis
Order: Pteraspidiformes

Tolypelepis
Order: Tolypelepidida
 
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