Noun: anaspid u'nas-pid
- Extinct small freshwater jawless fish usually having a heterocercal tail and an armoured head; of the Silurian and Devonian
"Anaspids were more streamlined than other early jawless fish"
Derived forms: anaspids
Type of: agnathan, jawless fish, jawless vertebrate
Part of: Anaspida, order Anaspida
Encyclopedia: Anaspid