Scutelluidae
type: Concept
broader: Ptychopariida
preferred label: اسکوتلوئیدا @fa

Olenidae
type: Concept
broader: Ptychopariida
preferred label: اولنیدا @fa

Asaphidae
type: Concept
broader: Ptychopariida
preferred label: آسافیدا @fa

Proetidae
type: Concept
broader: Ptychopariida
preferred label: پروئیتیدا @fa

Dechenellidae
type: Concept
broader: Ptychopariida
preferred label: دی کنلیدا @fa

Cryptolithus
type: Concept
broader: Ptychopariida
preferred label: کریپتولیتوس @fa

Ptychopariida
type: Concept
broader: Trilobita
broader: Trilobitoidea
narrower: Asaphidae
narrower: Proetidae
narrower: Scutelluidae
narrower: Cryptolithus
narrower: Olenidae
narrower: Dechenellidae
preferred label: پتیکوپارییدا @fa

Trilobita
type: Concept
narrower: Ptychopariida
preferred label: تریلوبیت @fa

Trilobitoidea
type: Concept
narrower: Ptychopariida
preferred label: تریلوبیتوئیدا @fa