Archipterygium
Archipterygium (ar*kip`te*rij"i*um) , noun
[New Latin, from Greek pref. 'archi- (English arch-) + ptery`gion wing, fin.]
(Anatomy) The primitive form of fin, like that of Ceratodus.
Archipterygium (ar*kip`te*rij"i*um) , noun
[New Latin, from Greek pref. 'archi- (English arch-) + ptery`gion wing, fin.]