Trissexodontidae

Trissexodontidae
Apertural view of the shell of Trissexodon constrictus. Scale is in mm. Regularly ribbed shell is one of characteristics of this family.
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: Trissexodontidae
H. Nordsieck, 1987[1]
Genera

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

Trissexodontidae is a family of land snails, gastropods in the superfamily Helicoidea (according taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

This family has no subfamilies.[3] Family Trissexodontidae has been separated from families Hygromiidae and Helicodontidae[3] and some authors still classify them in those families.

Contents

Distribution

Distribution of Trissexodontidae include 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 they are regularly ribbed.[4] They have no hairs.[4]

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

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

References

  1. ^ (German) Nordsieck H. (1987). "Revision des Systems der Helicoidea (Gastropoda: Stylommatophora)". Archiv für Molluskenkunde 118(1-3): 9-50. page 30.
  2. ^ 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.
  3. ^ a b c Bouchet P., Rocroi J.-P., Frýda J., Hausdorf B., Ponder W., Valdés Á. & Warén A. (2005). "Classification and nomenclator of gastropod families". Malacologia: International Journal of Malacology (Hackenheim, Germany: ConchBooks) 47 (1-2): 1–397. ISBN 3925919724. ISSN 0076-2997. http://www.archive.org/details/malacologia47122005inst. 
  4. ^ a b c d e f g h i j k l m n 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.

External links