Rhynchonellata - Terebratulida

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

Sister taxa: Antigoniarcula, Bouchardioidea, Eogryphus, Gwyniella, Hercothyris, Kingenella, Kingenoidea, Kraussinoidea, Kurakithyris, Leptothyrellopsis, Lutetiarcula, Magas, Megathyridoidea, Miogryphus, Platidioidea, Praeneothyris, Rhynchora, Rhynchorina, Terebratelloidea, Tiaretithyris, Xinjiangthyris, Yabeithyris, Yuezhuella, Zeillerioidea, Zhidothyris

Subtaxa: Frenulinidae, Laqueidae, Terebrataliidae

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Ecology: stationary epifaunal suspension feeder