Rhynchonellata - Terebratulida - Notothyrididae

Parent taxon: Notothyrididae according to A. Williams et al. 2006

See also Sepkoski 2002

Sister taxa: Chondronia, Cryptacanthiinae, Enallosia, Gefonia, Levinotothyris, Notothyrina, Notothyris, Pseudorostranteris, Rostranteris, Timorina

Subtaxa: none

Ecology: stationary low-level epifaunal suspension feeder

Distribution: there are no occurrences of Alwynia in the database

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Specimen images are retrieved through the ePANDDA API.