Diloma subrostrata

Diloma subrostrata
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Vetigastropoda
Superfamily: Trochoidea (superfamily)
Family: Trochidae
Genus: Diloma
Species: D. subrostrata
Binomial name
Diloma subrostrata
(Gray, 1835)
Synonyms
  • Chlorostoma undulosum A. Adams, 1853
  • Diloma (Fractarmilla) subrostrata subrostrata (Gray, J.E. in Yate, 1835)
  • Diloma plumbera Hutton, 1882
  • Labio corrosa A. Adams, 1853
  • Labio hectori Hutton, 1873
  • Monodonta subrostrata Gray, 1835
  • Trochus attritus Hombron, and Jacquinot, 1854

Diloma subrostrata, common name the mudflat top shell, is a species of small sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.

Description

The length of the adult shell of this species varies between 11 mm and 32 mm. The solid, conical shell is suborbicular. It is often more or less black, with close wavy longitudinal yellow lines. The spire is short with five whorls. The last whorl is large, rounded, with its hinder part with three to six spiral keels. The axis is imperforated. The inside of the aperture is smooth and silvery. [1]

Distribution

This marine species is endemic to New Zealand and occurs off North Island, South Island and Stewart Island.

External links

References

  1. ↑ Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia (described as Monodonta subrostrata)