Protostomia

Translingual right|thumb|Oncomeris flavicornis species (phylum Arthropoda phylum) Etymology from mul proto- first grc:στόμα mouth -ia, referring to a theory about the order of embryonic development. Proper noun Certain bilateral animals, generally with three germ cells and common features of embryonic development. superphylum subkingdom Eumetazoa infrakingdom subkingdom Bilateria clade subkingdom Bilateria Hypernyms infrakingdom Eukaryota superkingdom; Animalia kingdom; Bilateria subkingdom Hyponyms superphylum Acanthocephala phylum, Annelida phylum, Arthropoda phylum, Brachiopoda phylum, Bryozoa phylum, Chaetognatha phylum, Cycliophora phylum, Echiura subclass, Entoprocta phylum, Gastrotricha phylum, Gnathostomulida phylum, Kinorhyncha phylum, Loricifera phylum, Micrognathozoa phylum, Mollusca phylum, Nematoda phylum, Nematomorpha phylum, Nemertea phylum, Onychophora phylum, Phoronida phylum, Platyhelminthes phylum, Priapulida phylum, Rotifera phylum, Sipuncula phylum, Tardigrada phylum phyla infrakingdom Ecdysozoa, Spiralia superphylum superphyla Coordinate terms infrakingdom Deuterostomia References Protostome 33317 1 1