Phylum Annelida: segmented worms; marine, freshwater, and terrestrial species

Class Clitellata: earthworms, leeches

Subclass Hirudinoidea

Notostomum cyclostoma

Class Polychaeta: sand worms, tube worms

Nereis vexellosa

Pectinaria granulata

Schizobranchia insignis

Serpula vermicularis