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heterostracan

he·te·rost·racan

uncommon

noun

1.

extinct jawless fish with the anterior part of the body covered with bony plates; of the Silurian and Devonian

Origin

Heterostraci + -an

Related words

Broader terms

Parts

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.