Definition of Arandaspid. Meaning of Arandaspid. Synonyms of Arandaspid

Here you will find one or more explanations in English for the word Arandaspid. Also in the bottom left of the page several parts of wikipedia pages related to the word Arandaspid and, of course, Arandaspid synonyms and on the right images related to the word Arandaspid.

Definition of Arandaspid

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Meaning of Arandaspid from wikipedia

- jawless prehistoric fish which lived during the Ordovician period. Arandaspids represent some of the oldest known vertebrates. The group represents...
- shallow waters on the continental margins of Gondwana. It is the best known arandaspid with many specimens known. Sacabambaspis was approximately 27 cm (10+3⁄4...
- lacked paired fins and caudal fin would be simple shape, although another arandaspid Sacabambaspis had the tail that consist dorsal and ventral webs and an...
- been the only known Ordovician vertebrates, until the discovery of the arandaspids, in the 1970s. Therefore, their structure, though poorly known, has often...