'Thecosomatous' definitions:

Definition of 'Thecosomatous'

From: GCIDE
  • Thecosomata \The`co*so"ma*ta\, n. pl. [NL. See Theca, and Soma.] (Zool.) An order of Pteropoda comprising those species which have a shell. See Pteropoda. -- {The`co*so"ma*tous}, a. [1913 Webster]