ammonites
Gundarolasmina Smirnova and Grunt 2003 (lamp shell)

Rhynchonellata - Terebratulida - Heterelasminidae

Full reference: T. N. Smirnova and T.A. Grunt. 2003. New Permian brachiopods of the Order Terebratulida from the southwestern Darvaz (northern Pamirs): 2. Superfamily Terebratuloidea Gray, 1840. Paleontological Journal 37(1):24-30

Parent taxon: Heterelasminidae according to T. N. Smirnova and T.A. Grunt 2003

Sister taxa: Amurothyris, Heterelasmina, Mimaria, Permicola, Pseudolabaia, Qinglongia

Subtaxa: Gundarolasmina acutangulum, Gundarolasmina gundarensis, Gundarolasmina itaitubense, Gundarolasmina ordinata, Gundarolasmina schucherti

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Ecology: stationary epifaunal suspension feeder