OSTEOSTRACAN

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Extinct jawless fish of the Devonian with armored head

Synonyms:

cephalaspid; osteostracan

Classified under:

Nouns denoting animals

Hypernyms ("osteostracan" 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 ("osteostracan" is a member of...):

Cephalaspida; Osteostraci; suborder Cephalaspida; suborder Osteostraci (extinct group of armored fish-like vertebrates; taxonomy is not clear)

Credits