Brachiopoda
Subfamily

Mucrospiriferinae Boucot, 1959

Classification
Organism groupBiota
KingdomAnimalia
PhylumBrachiopoda
SubphylumRhynchonelliformea
ClassRhynchonellata
OrderSpiriferida
SuborderDelthyridina
SuperfamilyDelthyrioidea
FamilyMucrospiriferidae
SubfamilyMucrospiriferinae
GenusMucrospirifer