Zethalia

Zethalia
Zethalia zelandica
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Trochida
Family:	Trochidae
Subfamily:	Umboniinae
Genus:	Zethalia Finlay, 1926
Type species
Zethalia zelandica J.B. Hombron. & C.H. Jacquinot, 1855
Synonyms
Ethaliopsis Cossmann, 1918 (invalid, preoccupied by Ethaliopsis Schepmann, 1908)

Zethalia is a genus of sea snails in the subfamily Umboniinae of the family Trochidae, the top snails, first formally named in 1918.

Species

The genus contains one extant (still living) species and two extinct species:

• †Zethalia coronata Marwick, 1948
• †Zethalia russelli Marwick, 1965
• Zethalia zelandica (Hombron & Jacquinot, 1855)

References

• Trew, A., 1984. The Melvill-Tomlin Collection. Part 30. Trochacea. Handlists of the Molluscan Collections in the Department of Zoology, National Museum of Wales.
• Vaught, K. C. (1989). A classification of the living Mollusca. Melbourne, Florida : American Malacologists. xii + 189 pp.

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