| / English Dictionary |
HETEROSTRACAN
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Extinct jawless fish with the anterior part of the body covered with bony plates; of the Silurian and Devonian
Classified under:
Hypernyms ("heterostracan" is a kind of...):
agnathan; jawless fish; jawless vertebrate (eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms)
Holonyms ("heterostracan" is a member of...):
Heterostraci; suborder Heterostraci (extinct group of armored jawless fishes or fish-like vertebrate; taxonomy is not clear)
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