Echiuroidea Sentence Examples
- XaiTrl, hair, g obs, foot), a zoological class, including the majority of the Annelida, and indeed, save for the Echiuroidea, co-extensive with that group as usually accepted.
- This form of nephridia leads to the shorter but essentially similar organs in the Polychaete Sternaspis, and to those of the Echiuroidea (q.v.) and of the Gephyrea.
- SIPUNCULOIDEA, marine animals of uncertain affinities, formerly associated with the Echiuroidea in the group Gephyrea.