Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
osteostracan | Yes | No | No | No |
jawless vertebrate | Yes | No | No | No |
osteostracan (noun) | jawless vertebrate (noun) |
---|---|
extinct jawless fish of the Devonian with armored head | eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms |