Subfamily Umboniinae Adams and Adams 1854 (top snail)

Gastropoda - Trochoidea - Trochidae

Synonym: Rotellinae Swainson 1840

Parent taxon: Trochidae according to D. G. Herbert 2015

See also Bouchet et al. 2005

Sister taxa: Aaleniella, Anticonulus, Antisolarium, Buckmanina, Calliostomatinae, Canthardinae, Chlorostoma, Chuelskia, Cirsostylus, Cittarium, Cochleochilus, Coeloconulus, Coralastele, Enida, Eocalliostoma, Eucyclinae, Falsotectus, Francisciconcha, Gallensteinia, Gena, Granulifera, Halistylinae, Hybochelus, Karabolkia, Lirulariinae, Lithotrochus, Livona, Margarella, Microgaza, Monodontinae, Phorcus, Prothalotia, Serratotrochus, Solariconulus, Stelzneria, Stomatellinae, Suavotrochus, Synaptocochlea, Thalotia, Trochaclididae, Trochaclis, Trochinae, Trochotectus, Trochus, Turcicula, Vacekia, Eostomias, Stomatiinae

Subtaxa: none

Ecology: epifaunal grazer

Distribution:

• Quaternary of Australia (6 collections), Djibouti (1), Fiji (1), Japan (7), the Marshall Islands (4), New Zealand (1), the Philippines (1), Taiwan (2)

• Pliocene of Australia (2), Indonesia (4), Japan (9), New Zealand (1), the Philippines (2)

• Miocene of Australia (2), Chile (1), Fiji (3), Indonesia (1), Japan (5), the Marshall Islands (3), the Philippines (1)

• Eocene of Morocco (1)

• Paleocene of Poland (1)

• Cretaceous of Egypt (16), Italy (1), Oman (5)

• Triassic of Italy (4)

Total: 85 collections including 94 occurrences

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