Proconodontida
Order of jawless fishes / From Wikipedia, the free encyclopedia
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Proconodontida is an order of conodonts which originated in the late Cambrian (Furongian) and persisted partly through the Ordovician.[1] The ancestral proconodont, Proconodontus, was one of the earliest euconodonts ("true conodonts") to appear. Proconodonts are often equated with the broader group Cavidonti, which occupies one side of a basal division in the evolution of early euconodonts in the Cambrian. All other euconodonts occupy Conodonti, the other side of the Cambrian split.[1]
Proconodontida | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | †Conodonta |
Subclass: | †Cavidonti |
Order: | †Proconodontida Sweet, 1988 |
Synonyms | |
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Proconodontida may be ancestral to another order, Belodellida.[1] Belodellids originate in the Ordovician and survive up to the Devonian[1] or even the Permian (if Caenodontus qualifies as a member of the order).[2]