n. plPtenoglossa(Zoöl) A division of gastropod mollusks having the teeth of the radula arranged in long transverse rows, somewhat like the barbs of a feather.
Century Dictionary and Cyclopedia
ptenoglossaA division or suborder of pectinibranchiate gastropods. whose odontophore has numerous similar acuminate admedian teeth in each transverse row. It comprises the families Ianthinidæ, Scalariidæ, Eulimidæ, and Pyramidellidæ.