Zethalia

Zethalia
Zethalia zelandica
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Trochida
Superfamily:	Trochoidea
Family:	Trochidae
Subfamily:	Umboniinae
Genus:	Zethalia Finlay, 1926
Type species
Zethalia zelandica Hombron, J.B. & C.H. Jacquinot, 1855
Synonyms[1]
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.[1][2]

Species

There is one extant (still living) species and two extinct species within the genus Zethalia:[1]

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

References

1. MolluscaBase eds. (2020). MolluscaBase. Zethalia Finlay, 1926. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=512315 on 2020-08-02
2. Finlay H.J. (1926). A further commentary on New Zealand molluscan systematics. Transactions of the New Zealand Institute. 57: 320-485, pls 18-23., available online at http://rsnz.natlib.govt.nz/volume/rsnz_57/rsnz_57_00_003550.html

• 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.