Ophryotrocha Ophryotrocha batillus Ophryotrocha longicollaris Ophryotrocha magnadentata Ophryotrocha langstrumpae Ophryotrocha eutrophila Ophryotrocha puerilis Ophryotrocha craigsmithi Ophryotrocha flabella Ophryotrocha nauarchus Ophryotrocha scutellus Dorvilleidae Androdioecy O. maculata List of prehistoric annelid genera Gonochorism Christoffer Schander List of Annelida of Ireland List of polychaete worms of South Africa Whale fall Scaly-foot gastropod List of organisms named after works of fiction