Echiuroinea

Usage notes

 * Recent work, followed by ITIS, recategorizes as, a subclass of class , within the.
 * Ruggiero et al. and NCBI have followed a renaming of as Echiuroinea.

Hypernyms

 * ; - subclass

Hyponyms

 * , - suborders
 * , ;, ,  - families

Coordinate terms

 * , - orders