Parmacelloidea is a superfamily of air-breathing land

slug Slug, or land slug, is a common name for any apparently shell-less Terrestrial mollusc, terrestrial gastropod mollusc. The word ''slug'' is also often used as part of the common name of any gastropod mollusc that has no shell, a very reduced ...

terrestrial Terrestrial refers to things related to land or the planet Earth, as opposed to extraterrestrial. 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 o ...

pulmonate Pulmonata or pulmonates is an informal group (previously an order, and before that, a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group inclu ...

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

s in the clade

Stylommatophora Stylommatophora is an orderPhilippe Bouchet, Jean-Pierre Rocroi, Bernhard Hausdorf, Andrzej Kaim, Yasunori Kano, Alexander Nützel, Pavel Parkhaev, Michael Schrödl and Ellen E. Strong. 2017. Revised Classification, Nomenclator and Typification of ...

and the informal group

Pulmonata Pulmonata or pulmonates is an informal group (previously an order, and before that, a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group includes ...

. These are limacoid or keelback slugs.

Families

Families within the superfamily Parmacelloidea include: *

Parmacellidae Parmacellidae is a family (biology), family of air-breathing land slugs, terrestrial molluscs, terrestrial pulmonate gastropod mollusks within the superfamily Parmacelloidea (according to the Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005), t ...

Milacidae Milacidae is a family (biology), family of air-breathing, keel (slug), keeled, land slugs. These are shell-less terrestrial molluscs, terrestrial gastropod mollusks in the superfamily Parmacelloidea. This family has no subfamilies (according to ...

Trigonochlamydidae Trigonochlamydidae is a family of air-breathing land slugs, terrestrial gastropod molluscs in the clade Eupulmonata (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). Distribution The native distribution of Trigonochla ...

Cladogram

The following

cladogram A cladogram (from Greek language, Greek ''clados'' "branch" and ''gramma'' "character") is a diagram used in cladistics to show relations among organisms. A cladogram is not, however, an Phylogenetic tree, evolutionary tree because it does not s ...

shows the

phylogenic In biology, phylogenetics () is the study of the evolutionary history of life using observable characteristics of organisms (or genes), which is known as phylogenetic inference. It infers the relationship among organisms based on empirical data ...

relationships of this superfamily to the other superfamilies and families within the

limacoid clade The Limacoidei is a taxonomic infraorder of air-breathing land snails, semislugs and slugs, terrestrial pulmonate gastropod molluscs in the suborder Helicina. Distribution The original ancestral area of limacoid families is thought to be ...

:Hausdorf B. (March 2000). "Biogeography of the Limacoidea sensu lato (Gastropoda: Stylommatophora): Vicariance Events and Long-Distance Dispersal". ''

Journal of Biogeography The ''Journal of Biogeography'' is a monthly peer-reviewed scientific journal that was established in 1974. It covers aspects of spatial, ecological, and historical biogeography. The founding editor-in-chief was David Watts, followed by John Flen ...

'' 27(2): 379-390.
JSTOR

References

{{Taxonbar, from=Q1645540 Stylommatophora Gastropod superfamilies