Umbonium (Suchium) Makiyama 1924 (top snail)

Gastropoda - Trochoidea - Trochidae

Parent taxon: Umbonium according to C. S. Hickman and J. H. McLean 1990

See also Sepkoski 2002

Sister taxon: Umbonium vestiarium

Subtaxa: Umbonium (Suchium) suchiense

View classification

Ecology: epifaunal grazer-suspension feeder

Distribution:

• Quaternary of Japan (3 collections)

• Pliocene of Japan (4)

Total: 7 collections each including a single occurrence

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