Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
Osteostraci | Yes | No | No | No |
osteostracan | Yes | No | No | No |
Osteostraci (noun) | osteostracan (noun) |
---|---|
extinct group of armored fish-like vertebrates; taxonomy is not clear | extinct jawless fish of the Devonian with armored head |