Gastropoda - Seguenzioidea - Ancistrobasidae

Full reference: K. Bandel. 2010. Relationships of the Triassic Eucycloidea Koken, 1897 (Mollusca, Gastropoda) to modern genera such as Pagodatrochus, Calliotropis and Euchelus, based on morphology of the early shell. Bulletin of Geosciences 85:435-486

Parent taxon: Seguenzioidea according to K. Bandel 2010

Sister taxa: Adeuomphalus, Chilodontaidae, Eucyclidae, Laubellidae, Seguenziidae, Eucycloidea galaczi, Eunemopsidae, Pseudoturcicidae, Sabrinellidae, Pagodatrochidae, Eucycloscalidae

Subtaxa: Ancistrobasis

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Ecology: epifaunal grazer

Distribution: found only at Vaingana, Eua Island (Eocene of Tonga)

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