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Gyrothyris Thomson 1918 (lamp shell)

Rhynchonellata - Terebratulida - Terebratellidae

PaleoDB taxon number: 30222

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

Sister taxa: Gmelinmagas, Iheringithyris, Magadina, Magella, Neothyris, Pachymagas, Terebratella, Waiparia

Subtaxa: Gyrothyris mawsoni, Gyrothyris williamsi

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Ecology: stationary epifaunal suspension feeder