''Tomigerus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of air-breathing, tropical

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, terrestrial

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 family

Odontostomidae Odontostomidae is a taxonomic family of medium-sized to large, air-breathing, tropical and sub-tropical land snails, terrestrial pulmonate gastropod molluscs in the superfamily Orthalicoidea.Breure A. S. H. & Romero P. (2012). "Support and su ...

.Breure A. S. H. & Ablett J. D. (2012) "Annotated type catalogue of the Bothriembryontidae and Odontostomidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London". ''

ZooKeys ''ZooKeys'' is a peer-reviewed open access scientific journal covering zoological taxonomy, phylogeny, and biogeography. It was established in 2008 and the editor-in-chief is Terry Erwin (Smithsonian Institution). It is published by Pensoft Publ ...

'' 182: 1-70. .

Species

This genus contains the following species: * ''

Tomigerus clausus ''Tomigerus clausus'' is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Odontostomidae. Distribution This species occurs in Brazil. Anatomy The anatomy of ''Tomigerus clausus'' was examined by ...

'' Spix, 1827 * ''

Tomigerus corrugatus ''Tomigerus'' is a genus of air-breathing, tropical land snails, terrestrial pulmonate gastropod mollusks in the family Odontostomidae.Breure A. S. H. & Ablett J. D. (2012) "Annotated type catalogue of the Bothriembryontidae and Odontostomidae ( ...

'' Ihering, 1905 * '' Tomigerus esamianus'' Salgado & Coelho, 1990 * '' Tomigerus laevis'' Ihering, 1905 * '' Tomigerus matthewsi'' Salgado & Leme, 1991 * '' Tomigerus pilsbryi'' Baker, 1914 * '' Tomigerus rochai'' Ihering, 1905 Synonyms: * ''Tomigerus gibberulus'' is a synonym of '' Digerus gibberulus'' (Burrow, 1815) Norma Campos Salgado & Arnaldo C. dos Santos Coelho. (2003)
"Moluscos terrestres do Brasil (Gastrópodes operculados ou não, exclusive Veronicellidae, Milacidae e Limacidae)"
. ''Rev. Biol. Trop.'' 51(Suppl. 3): 149-189. (with English abstract) - extinct * ''Tomigerus turbinatus'' is a synonym of '' Biotocus turbinatus'' (Pfeiffer, 1845) - extinct

How the shell is carried

It is evident from several features of the shell and its internal organization that the shell in this genus is carried with its principal axis transverse to the longitudinal axis of the foot; that is, the spire is directed to the right. The flattened surface of the outer whorl thus rests upon the dorsal surface of the foot or upon the substratum when the animal is in a state of

aestivation Aestivation ( la, aestas (summer); also spelled estivation in American English) is a state of animal dormancy, similar to hibernation, although taking place in the summer rather than the winter. Aestivation is characterized by inactivity and ...

, a position which they had assumed in both instances.

References

This article incorporates public domain text from the reference Heath H. 1914. ''The anatomy of two Brazilian land-shells, Anostoma depressum and Tomigerus clausus''
Proceedings of the Academy of Natural Sciences of Philadelphia, 65688
692
plate 31

913 __NOTOC__ Year 913 ( CMXIII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * June 6 – Emperor Alexander III dies of exhaustion while playing ...

External links

Odontostomidae Taxonomy articles created by Polbot {{Odontostomidae-stub