English noun: Heterostraci | |||
1. | Heterostraci (animal) extinct group of armored jawless fishes or fish-like vertebrate; taxonomy is not clear | ||
Synonyms | suborder Heterostraci | ||
Broader (hypernym) | animal order | ||
Member holonym | heterostracan | ||
Member meronym | order Ostracodermi, Ostracodermi | ||