Subgenus

Delthyris (Quadrifarius) Fuchs, 1923

Luokittelu
Organism groupBiota
KingdomAnimalia
PhylumBrachiopoda
SubphylumRhynchonelliformea
ClassRhynchonellata
OrderSpiriferida
SuborderDelthyridina
SuperfamilyDelthyrioidea
FamilyDelthyrididae
SubfamilyDelthyridinae
GenusDelthyris
Subgenus(Delthyris)
(Quadrifarius)