Helicarionoidea is a
superfamily
SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It classifies amino acid sequences into known structural domains, especially into SCOP superfamilies. Domains are functional, str ...
of air-breathing
land snail
A land snail is any of the numerous species of snail that live on land, as opposed to the sea snails and freshwater snails. ''Land snail'' is the common name for terrestrial gastropod mollusks that have shells (those without shells are known as ...
s and
semi-slug
Semi-slugs, also spelled semislugs, are land gastropods whose shells are too small for them to retract into, but not quite vestigial. The shell of some semi-slugs may not be easily visible on casual inspection, because the shell may be covered ...
s,
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 ...
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 includ ...
gastropod
The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
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 infraorder
Limacoidei.
Families
There are three families within the superfamily Helicarionoidea:
*
Helicarionidae
Helicarionidae is a family of air-breathing land snails or semi-slugs, terrestrial pulmonate gastropod mollusks in the superfamily Helicarionoidea.
Distribution
The distribution of Helicarionidae includes the eastern Palearctic, Malagasy, In ...
*
Ariophantidae
Ariophantidae is a taxonomic family of air-breathing land snails and semi-slugs, terrestrial pulmonate gastropod mollusks in the superfamily Helicarionoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
Distribution ...
*
Urocyclidae
Urocyclidae is a family of air-breathing land snails, semi-slugs and land slugs, terrestrial pulmonate gastropod mollusks in the superfamily Helicarionoidea, (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
Some spec ...
Cladogram
The following
cladogram
A cladogram (from Greek ''clados'' "branch" and ''gramma'' "character") is a diagram used in cladistics to show relations among organisms. A cladogram is not, however, an evolutionary tree because it does not show how ancestors are related to d ...
shows the
phylogenic
In biology, phylogenetics (; from Greek φυλή/ φῦλον [] "tribe, clan, race", and wikt:γενετικός, γενετικός [] "origin, source, birth") is the study of the evolutionary history and relationships among or within groups o ...
relationships of this family to other 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 b ...
:
[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 peer-reviewed scientific journal in biogeography that was established in 1974. It covers aspects of spatial, ecological, and historical biogeography. The founding editor-in-chief was David Watts, followed by J ...
'' 27(2): 379-390.
JSTOR
Genera
Genera of helicarionoids unassigned to families include:
* ''
Pseudosaphtia'' de Winter, 2008
* ''
Saphtia'' de Winter, 2008
* ''
Vanmolia'' de Winter, 2008
References
{{Taxonbar, from=Q5704955
Stylommatophora
Gastropod superfamilies