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单词 Pteraspis
释义

Definition of Pteraspis in English:

Pteraspis

noun təˈraspɪs
  • 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.

Definition of Pteraspis in US English:

Pteraspis

nountəˈraspɪs
  • 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.

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更新时间:2025/2/21 8:51:58