Polychaeta
preferred label: پرتاران @fa
type: Concept
broader: Annelida

Oligochaeta
preferred label: کم‌تاران @fa
type: Concept
broader: Annelida

Annelida
narrower: Oligochaeta
narrower: Hirudinea
narrower: Polychaeta
related: Sipunculoidea
broader: invertebrates
preferred label: حلقویان @fa
type: Concept

Hirudinea
preferred label: زالوییان @fa
type: Concept
broader: Annelida

Sipunculoidea
preferred label: بادام‌شکلان @fa
type: Concept
related: Annelida

invertebrates
preferred label: بی‌مهره‌گان @fa
type: Concept
narrower: Annelida