Deuterostomia

Etymology
, from +  +, referring to a theory about the order of embryonic development (compare ).

Proper noun

 * 1) The  and certain other animals that share certain features of embryonic development:

Hypernyms

 * - superkingdom; Animalia - kingdom; Bilateria - subkingdom

Hyponyms

 * (including the vertebrates), (starfish, etc),  (acorn worms),  (primitive marine worms)

Coordinate terms

 * Protostomia