Testacelloidea Explained

The Testacelloidea are a superfamily of air-breathing land snails and slugs, terrestrial gastropod molluscs in the suborder Helicina of the order Stylommatophora.^[1]

Taxonomy

The families within the Testacelloidea are as follows:

• Family Testacellidae Gray, 1840

This taxonomy was based on the study by Nordsieck, published in 1986,^[2] and the publication by Schileyko in 2000.^[3]

The following families, previously categorized within the Testacelloidea, were transferred to the superfamily Oleacinoidea H. Adams & A. Adams, 1855 in 2017.^[4]

• Family Oleacinidae H. Adams & A. Adams, 1855
• Family Spiraxidae H. B. Baker, 1939

Notes and References

1. MolluscaBase eds. (2020). MolluscaBase. Testacelloidea Gray, 1840. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=933883 on 2020-11-09
2. H. Nordsieck. The system of the Stylommatophora (Gastropoda), with special regard to the systematic position of the Clausiliidae, II. Importance of the shell and distribution. Archiv für Molluskenkunde. 1986. 117. 1–3. 93–116.
3. A.A. Schileyko. Treatise on recent terrestrial pulmonate molluscs. Ruthenica. 1998–2003. suppl. 2. 1–1626.
4. Bouchet. Philippe. Rocroi. Jean-Pierre. Hausdorf. Bernhard. Kaim. Andrzej. Kano. Yasunori. Nützel. Alexander. Parkhaev. Pavel. Schrödl. Michael. Strong. Ellen E.. December 2017. Revised classification, nomenclator and typification of gastropod and monoplacophoran families. Malacologia. 61. 1-2. 1–526. 10.4002/040.061.0201.