Trissexodontidae
Apertural view of the shell of Trissexodon constrictus. Scale is in mm. A regularly ribbed shell is one of the characteristics of this family.
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Stylommatophora
Suborder: Helicina
Infraorder: Helicoidei
Superfamily: Helicoidea
Family: Trissexodontidae
H. Nordsieck, 1987[1]
Genera

See text

Synonyms[2]
  • Caracollinini H. Nordsieck, 1987
  • Oestophorini H. Nordsieck, 1987
  • Mastigophallini Schileyko, 1991[3]
  • Gittenbergeriinae Schileyko, 1991

Trissexodontidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

This family has no subfamilies.[2] The family Trissexodontidae was separated out from the families Hygromiidae and Helicodontidae,[2] and some authors still classify these species within those families.

Distribution

The distribution of Trissexodontidae includes the Iberian peninsula, northwest Africa,[4] Azores,[5] Canary Islands, Madeira and Cape Verde.[6]

Genera

Genera within the family Trissexodontidae include:

Description

Shells of species in the family Trissexodontidae are flat and regularly ribbed. The periostracum of the shell surface has no hairs.[4]

A description of the reproductive system was summarized by Prieto et al. (1993).[4]

In this family, the number of haploid chromosomes is known only for the genus Oestophora (n=30).[4]

References

  1. ↑ (in German) Nordsieck H. (1987). "Revision des Systems der Helicoidea (Gastropoda: Stylommatophora)". Archiv für Molluskenkunde 118(1-3): 9-50. page 30.
  2. 1 2 3 Bouchet, Philippe; Rocroi, Jean-Pierre; Frýda, Jiri; Hausdorf, Bernard; Ponder, Winston; Valdés, Ángel & Warén, Anders (2005). "Classification and nomenclator of gastropod families". Malacologia. Hackenheim, Germany: ConchBooks. 47 (1–2): 1–397. ISBN 3-925919-72-4. ISSN 0076-2997.
  3. ↑ Schileyko A. A. (1991). "Taxonomic status, phylogenetic relations and system of the Helicoidea sensu lato (Pulmonata)". Archiv für Molluskenkunde 120(4-6): 187-236. page 225.
  4. 1 2 3 4 5 6 7 8 9 10 11 12 13 Prieto C. E., Puente A. I, Altonaga K. & Gomez J. (1993). "Genital morphology of Caracolina lenticula (Michaud, 1831), with a new proposal of classification of helicodontoid genera (Pulmonata: Hygromioidea)". Malacologia 35(1): 63-77. page 73-74.
  5. ↑ "Genus summary for Oestophora". AnimalBase, last modified 17 July 2008, accessed 13 January 2011.
  6. ↑ "Genus summary for Caracollina". AnimalBase, last modified 17 August 2007, accessed 13 January 2011.
  7. ↑ "Genus taxon summary for Spirorbula". AnimalBase, last modified 09 September 2008, accessed 13 January 2011.
  8. ↑ "Suboestophora Ortiz de Zarate Lopez 1962". Fauna Europaea, accessed 13 January 2011.
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