Contents

TranslingualEdit

EtymologyEdit

from Ancient Greek πρωτο-(prōto-, first) + στόμα(stóma, mouth) +‎ -ia, referring to a theory about the order of embryonic development.

Proper nounEdit

Protostomia

  1. A taxonomic superphylum within the subkingdom Eumetazoa – the bilateral animals with three germ cells.

HyponymsEdit

External linksEdit