protostomes see [unranked] Protostomia Grobben, 1908 Spiralia Schleip, 1929 - spiralians see Superphylum Spiralia Schleip, 1929 1 Lophotrochozoa Halanych, Bacheller, Aguinaldo, Liva, Hillis & Lake 1995 - lophotrochozoans 2 Gnathifera Ahlrichs, 1995