Article · Wikipedia archive · Last revised Jul 25, 2026

Sagdidae

Sagdidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks with highest diversity in the Greater Antilles. It has been classified in its own superfamily Sagdoidea and as a member of the superfamily Helicoidea. Some species of Sagdidae are ovoviviparous.

Last revised
Jul 25, 2026
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Sagdidae
Two adult shells and one juvenile shell of Sagda alligans
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Stylommatophora
Suborder: Helicina
Superfamily: Sagdoidea
Family: Sagdidae
Pilsbry, 18951
Type genus
Sagda

Sagdidae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks with highest diversity in the Greater Antilles. It has been classified in its own superfamily Sagdoidea2 and as a member of the superfamily Helicoidea.3 Some species of Sagdidae are ovoviviparous.4

Anatomy

Vestigial love darts exist in some species within this family.

Subfamilies and genera

The family Sagdidae consists of the following subfamilies:2

  • Aquebaninae H. B. Baker, 1940
  • Platysuccineinae H. B. Baker, 1940
  • Polydontinae Schileyko, 2006
  • Sagdinae Pilsbry, 1895
  • Yunqueinae Schileyko, 1998

Genera in the family Sagdidae include:5

The type genus is Sagda Beck, 1837.

References

References

  1. Pilsbry H. A. (2 February) 1895 Guide to the study of helices. Manual of conchology; structural and systematic. With illustrations of the species. Second series: Pulmonata. Volume 9. 36, 33a:i-xlviii, 161-336, plates 41-71. (Sagdinae is on page xxxii.)
  2. Bouchet, Philippe; Rocroi, Jean-Pierre; Frýda, Jiri; Hausdorf, Bernard; Ponder, Winston; Valdés, Ángel & Warén, Anders (2005). "Classification and nomenclator of gastropod families". Malacologia. 47 (1–2). Hackenheim, Germany: ConchBooks: 1–397. ISBN 3-925919-72-4. ISSN 0076-2997.
  3. Wade, Christopher M.; Mordan, Peter B.; Naggs, Fred (2006). "Evolutionary relationships among the Pulmonate land snails and slugs (Pulmonata, Stylommatophora)". Biological Journal of the Linnean Society. 87 (4): 593–610. doi:10.1111/j.1095-8312.2006.00596.x.
  4. Goodfriend, Glenn A. (1986). "Radiation of the land snail genus Sagda (Pulmonata: Sagdidae): comparative morphology, biogeography and ecology of the species of north-central Jamaica". Zoological Journal of the Linnean Society. 87 (4): 367–398. doi:10.1111/j.1096-3642.1986.tb01341.x.
  5. Sagdidae. Discover Life, accessed 6 December 2008.
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