Species:
Megathiris detruncata >
Genus:
Megathiris >
Family:
Megathyrididae >
Superfamily:
Megathyridoidea >
Suborder:
Terebratellidina >
Order:
Terebratulida >
Class:
Rhynchonellata >
Subphylum:
Rhynchonelliformea >
Phylum:
Brachiopoda >
Kingdom:
Animalia >
Unranked:
Biota >