| 释义 |
heterostracan
Thesaurus| Noun | 1. | heterostracan - extinct jawless fish with the anterior part of the body covered with bony plates; of the Silurian and Devonianagnathan, jawless fish, jawless vertebrate - eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct formsHeterostraci, suborder Heterostraci - extinct group of armored jawless fishes or fish-like vertebrate; taxonomy is not clear |
EncyclopediaSeeHeterostraciheterostracan
Words related to heterostracannoun extinct jawless fish with the anterior part of the body covered with bony platesRelated Words- agnathan
- jawless fish
- jawless vertebrate
- Heterostraci
- suborder Heterostraci
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