Taguahelix francesci

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Taguahelix francesci
Taguahelix francesci 001.jpg
Drawing of a shell of Taguahelix francesci (holotype)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Stylommatophora
Family: Punctidae
Genus: Taguahelix
Species:
T. francesci
Binomial name
Taguahelix francesci
(W. H. Webster, 1904)
Synonyms [1]

Laoma (Phrixgnathus) francesciW. H. Webster, 1904 superseded combination)

Contents

Taguahelix francesci is a species of terrestrial snail in the family Punctidae. [1]

Description

The length of the shell attains 2 mm, its diameter 1.75 mm.

(Original description) The turbinate shell is dark brown and dull. The shell contains 4½ rounded whorls. The protoconch consists of 1½ concentrically striate whorls. The remaining whorls, besides concentric wavy striae, show 4—5 radiate, brown, white-edged, periostracal processes per millim., directed backward, with many hairlike growth-lines between. The suture is deep. The periphery is rounded. The umbilicus is narrow and pervious. The outer lip is simple, the margins slightly converging. The columella is vertical, reflexed above and slightly covers the umbilicus. The base of the shell is rounded. [2]

Distribution

This species is endemic to New Zealand and occurs on North Island

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References

  1. 1 2 MolluscaBase eds. (2023). MolluscaBase. Taguahelix francesci (W. H. Webster, 1904). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=821419 on 2023-11-14
  2. ↑ Webster, W.H. (1904). New Mollusca from New Zealand. Proceedings of the Malacological Society of London 6: 106-108
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