Subfamily Pictothyridinae Yabe and Hatai 1941 (lamp shell)

Rhynchonellata - Terebratulida - Frenulinidae

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

Sister taxa: Frenulina, Frenulininae

Subtaxa: Kikaithyris Pictothyris

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Type: Pictothyris

Ecology: stationary low-level epifaunal suspension feeder

Distribution:

• Quaternary of Japan (43 collections), Taiwan (1)

• Pliocene of Japan (2)

Total: 46 collections including 55 occurrences

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