Taxonomia

• Lineage:
• Root
/
• Animalia
/
• Brachiopoda
/
• Rhynchonellata
/
• Terebratulida
/
• Terebratellidae
/
• Gyrothyris

Gyrothyris (genus)

• speciesGyrothyris mawsoni
• speciesGyrothyris williamsi