The Testacelloidea are a
superfamily of air-breathing
land snails and
slugs,
terrestrial
Terrestrial refers to things related to land or the planet Earth.
Terrestrial may also refer to:
* Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on or near the ground, as opposed to ...
gastropod mollusk
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...
s in the suborder
Helicina of the order
Stylommatophora .
[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]
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,
and the publication by Schileyko in 2000.
The following families, previously categorized within the Testacelloidea, were transferred to the superfamily
Oleacinoidea H. Adams & A. Adams, 1855 in 2017.
*Family
Oleacinidae H. Adams & A. Adams, 1855
*Family
Spiraxidae H. B. Baker, 1939
References
{{Taxonbar, from=Q7705823
Stylommatophora
Taxa named by John Edward Gray