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ACANTHODIANAcanthodians were the earliest jawed vertebrates. These early fish (Class acanthodii) lived from the Ordovician to the Carboniferous period
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ACANTHODIANAcanthodians were the earliest jawed vertebrates. These early fish (Class acanthodii) lived from the Ordovician to the Carboniferous period. Although most Acanthodians were small, averaging roughly 5- [..]
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ACANTHODIANA group of fish that have jaws.
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ACANTHODIAN
(zoology) A member of a group of extinct fish (Acanthodii) that existed from the Silurian to the Permian period.First attested in the mid 19th century.Brown, Lesley, ed. ''The Shorter [..]
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