Extinct group of armored jawless fishes or fish-like vertebrate; taxonomy is not clear. Synonym: suborder Heterostraci.
|
|
|
|
 | | | |||
|
|
|
|
Words linked to "Heterostraci" : heterostracan, animal order, suborder Heterostraci, order Ostracodermi, Ostracodermi |
Copyright © 2025 Dictionary One.com |
