Species:
Spirobranchus nigranucha >
Genus:
Spirobranchus >
Tribe:
Ficopomatini >
Subfamily:
Serpulinae >
Family:
Serpulidae >
Order:
Sabellida >
Infraclass:
Canalipalpata >
Subclass:
Sedentaria >
Class:
Polychaeta >
Phylum:
Annelida >
Kingdom:
Animalia >
Unranked:
Biota >