| 释义 |
cephalaspid
Thesaurus| Noun | 1. | cephalaspid - extinct jawless fish of the Devonian with armored headosteostracanagnathan, jawless fish, jawless vertebrate - eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct formsCephalaspida, Osteostraci, suborder Cephalaspida, suborder Osteostraci - extinct group of armored fish-like vertebrates; taxonomy is not clear |
EncyclopediaSeeCephalaspidomorphicephalaspid
Synonyms for cephalaspidnoun extinct jawless fish of the Devonian with armored headSynonymsRelated Words- agnathan
- jawless fish
- jawless vertebrate
- Cephalaspida
- Osteostraci
- suborder Cephalaspida
- suborder Osteostraci
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