Definition of Pteraspis in English:

Pteraspis

noun

  • A genus of armoured jawless fossil fishes (ostracoderms) of the Lower Devonian with the anterior end enclosed by a shield of bony plates; a fish of this genus.

Origin

Mid 19th century. From scientific Latin Pteraspis from ancient Greek πτερόν + ἀσπιδ-, ἀσπίς shield.

Pronunciation

Pteraspis

/təˈraspɪs/