s/n1475940

Information
has gloss	(noun) extinct small freshwater jawless fish usually having a heterocercal tail and an armored head; of the Silurian and Devonian anaspid
lexicalization	eng: anaspid
subclass of	(noun) eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms jawless fish, jawless vertebrate, agnathan

Links
member of	(noun) extinct order of jawless vertebrates order Anaspida, Anaspida