| 释义 |
anaspid
Thesaurus| Noun | 1. | anaspid - extinct small freshwater jawless fish usually having a heterocercal tail and an armored head; of the Silurian and Devonianagnathan, jawless fish, jawless vertebrate - eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct formsAnaspida, order Anaspida - extinct order of jawless vertebrates |
anaspid
Words related to anaspidnoun extinct small freshwater jawless fish usually having a heterocercal tail and an armored headRelated Words- agnathan
- jawless fish
- jawless vertebrate
- Anaspida
- order Anaspida
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