Arthrodira
Extinct order of fishes / From Wikipedia, the free encyclopedia
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Arthrodira (Greek for "jointed neck") is an order of extinct armored, jawed fishes of the class Placodermi that flourished in the Devonian period before their sudden extinction, surviving for about 50 million years and penetrating most marine ecological niches. Arthrodires were the largest and most diverse of all groups of placoderms.[1]
Quick Facts Scientific classification, Subgroups ...
Arthrodira | |
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Artist's reconstruction of the arthrodire placoderm Dunkleosteus terrelli | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Infraphylum: | Gnathostomata |
Class: | †Placodermi |
Order: | †Arthrodira Woodward, 1891 |
Subgroups | |
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