Ethaliella

Ethaliella is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.[1][2]

Ethaliella
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Vetigastropoda
Order: Trochida
Superfamily: Trochoidea
Family: Trochidae
Genus: Ethaliella
Pilsbry, 1905
Type species
Ethaliella floccata Sowerby, G.B. III, 1903
Synonyms[1]
  • Ethalia (Ethaliella) Pilsbry, 1905

Description

This genus is characterized by a depressed, openly umbilicated, smoothish shell. The peristome is obtuse. The columellar margin is dilated, partly vaulting over the umbilicus, which is radially sulcate within and has a very low, wide and rounded marginal cord.

This genus comprises species related to Monilea, Ethalia and Isanda, but with features of the columellar lip and umbilicus unlike either. Minolia and its boreal ally Solariella differ by the almost or quite unexpanded columellar margin.[3]

Distribution

This marine genus occurs off Japan, the Philippines and in the East China Sea.

Species

Species within the genus Ethaliella include:[1]

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References
  1. Bouchet, P. (2012). Ethaliella Pilsbry, 1905. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=413461 on 2012-11-23
  2. Williams S.T., Karube S. & Ozawa T. (2008) Molecular systematics of Vetigastropoda: Trochidae, Turbinidae and Trochoidea redefined. Zoologica Scripta 37: 483–506.
  3. Henry Pilsbry, New Japanese Marine Mollusca; Proceedings of the Academy of Natural Sciences of Philadelphia, Vol. 57 (1905), pp. 101-122
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