the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Gastropoda > [noun] > superorder Branchifera > order Prosobranchiata (229)
Subcategories:
— member of (2)
— suborder Pectinibranchiata (1)
— suborder Cyclobranchiata (1)
— suborder Scutibranchiata (1)
— order Tubulibranchiata (3)
— section Siphonostomata (128)
— section Holostomata (93)