Ophryotrocha Ophryotrocha magnadentata Ophryotrocha batillus Ophryotrocha longicollaris Ophryotrocha langstrumpae Ophryotrocha flabella Ophryotrocha craigsmithi Ophryotrocha scutellus Ophryotrocha eutrophila Ophryotrocha puerilis Ophryotrocha nauarchus 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