Definition of Arandaspids. Meaning of Arandaspids. Synonyms of Arandaspids

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

Definition of Arandaspids

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Meaning of Arandaspids from wikipedia

- jawless prehistoric fish which lived during the Ordovician period. Arandaspids represent some of the oldest known vertebrates. The group represents...
- extreme anterior of the head, one of the diagnostic features of the arandaspids. The rest of the body was covered by long, strap-like scales behind the...
- 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...