Zenobiella subrufescens

Zenobiella subrufescens is a species of small air-breathing land snail, a pulmonate gastropod mollusk in the family Hygromiidae.[3]

Zenobiella subrufescens
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
Superfamily:
Helicoidea
Family:
Hygromiidae
Subfamily:
Hygromiinae
Tribe:
Hygromiini
Genus:
Zenobiella

Species:
Z. subrufescens
Binomial name
Zenobiella subrufescens
(Miller, 1822)[2]
Synonyms

Helix subrufescens Miller, 1822

Zenobiella subrufescens is the only species in the genus Zenobiella.

Description

For terms see gastropod shell

The 4-6 x 6-10 mm shell has 4.5-5 convex whorls with moderate suture. It is slightly shouldered above the periphery, the aperture is usually without a lip inside and the umbilicus is very narrow, and partly covered by the reflected columellar margin. The shell is pale brown, very finely striated, thin and transparent.[4]

Distribution

This species is known to occur in:

Life cycle

The size of the egg is 1.5 × 1 mm.[6]

References
  1. Gude G. K. & Woodward B. B. 1921. On Helicella, Férussac. Proceedings of the Malacological Society of London 14: 174-190.
  2. Miller J. S. 1822. A list of the freshwater and landshells occurring in the environment of Bristol, with observations. Annals of Philosophy (New Series) 3 (17): 376-381. London.
  3. Species summary for Zenobiella subrufescens. AnimalBase, last modified 29-12-2008 by F. Welter Schultes, accessed 4 May 2009.
  4. Animalbase (Welter-Schultes)
  5. Roy Anderson ,2005 An annotated list of the non-marine molluscs of Britain and Ireland Journal of Conchology, 38 (6): 607–637, (published 2005).
  6. Heller J.: Life History Strategies. in Barker G. M. (ed.): The biology of terrestrial molluscs. CABI Publishing, Oxon, UK, 2001, ISBN 0-85199-318-4. 1-146, cited page: 428.


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