Oryzorictinae is a

subfamily In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end subfamily botanical names with "-oideae", and zoologi ...

tenrec A tenrec is any species of mammal within the afrotherian family Tenrecidae endemic to Madagascar. Tenrecs are wildly diverse; as a result of convergent evolution some resemble hedgehogs, shrews, opossums, rats, and mice. They occupy aquatic, a ...

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to the island of

Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...

. It is the largest of three tenrec subfamilies. Oryzorictinae is thought to have split from the lineage of its closest relative, ''

Geogale The large-eared tenrec (''Geogale aurita'') is a species of mammal in the family Tenrecidae. It is the only species in the monotypic genus ''Geogale'', and the only member of the subfamily Geogalinae. It is endemic to Madagascar where its natur ...

'', about 30 million years ( Ma) ago. The deepest phylogenetic split within the subfamily, that between '' Oryzorictes'' and a

clade A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...

composed of ''Microgale'' plus ''Nesogale'' , is thought to have occurred about 28 Ma ago. In turn, ''Microgale'' and ''Nesogale'' are thought to have diverged about 19 Ma ago.

Species

Subfamily Oryzorictinae * Genus ''

Microgale ''Microgale'' is a genus of mammal in the family Tenrecidae. There are 21 living species on the island of Madagascar and one extinct species known from a fossil. Some species have been discovered in the last twenty years. On the basis of molecu ...

'' ** Short-tailed shrew tenrec (''M. brevicaudata'') **

Cowan's shrew tenrec Cowan's shrew tenrec (''Microgale cowani'') is a species of mammal in the family Tenrecidae. Description Cowan's shrew tenrecs weigh an average just over , and have an average length of slightly over . Most specimens are mostly brown, ofte ...

(''M. cowani'') **

Drouhard's shrew tenrec Drouhard's shrew tenrec (''Microgale drouhardi''), also known as the striped shrew tenrec, is a species of mammal in the family Tenrecidae. It is endemic to Madagascar. Its natural habitats are subtropical and tropical subtropical or tropical mo ...

(''M. drouhardi'') **

Dryad shrew tenrec The dryad shrew tenrec (''Microgale dryas''), also known as the tree shrew tenrec, is a species of mammal in the family Tenrecidae. It is endemic to Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( m ...

(''M. dryas'') ** Pale shrew tenrec (''M. fotsifotsy'') ** Gracile shrew tenrec (''M. gracilis'') ** Grandidier's shrew tenrec (''M. grandidieri'') ** Naked-nosed shrew tenrec (''M. gymnorhyncha'') ** Jenkins's shrew tenrec (''M. jenkinsae'') ** Northern shrew tenrec (''M. jobihely'') ** Lesser long-tailed shrew tenrec (''M. longicaudata'') **'' Microgale macpheei'' (extinct) ** Major's long-tailed tenrec (''M. majori'') **

Web-footed tenrec The web-footed tenrec, Malagasy otter shrew, or aquatic tenrec (''Microgale mergulus'') is the only known semiaquatic tenrec (the related African otter shrews have similar habits), and is found in eastern Madagascar, especially in and around Rano ...

(''M. mergulus'') ** Montane shrew tenrec (''M. monticola'') ** Nasolo's shrew tenrec (''M. nasoloi'') ** Pygmy shrew tenrec (''M. parvula'') ** Greater long-tailed shrew tenrec (''M. principula'') ** Least shrew tenrec (''M. pusilla'') **

Shrew-toothed shrew tenrec The shrew-toothed shrew tenrec (''Microgale soricoides'') is a species of mammal in the family Tenrecidae. It is endemic to Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasi ...

(''M. soricoides'') **

Taiva shrew tenrec The taiva shrew tenrec (''Microgale taiva'') is a species of mammal in the family Tenrecidae. It is endemic to Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=n ...

(''M. taiva'') ** Thomas's shrew tenrec (''M. thomasi'') * Genus ''

Nesogale ''Nesogale'' is a genus of tenrecs, which are a family of afrotherian mammals endemic to Madagascar. On the basis of molecular data indicating its two species form a sister group to the rest of ''Microgale'' (21 extant species), they were transfe ...

'' **

Dobson's shrew tenrec Dobson's shrew tenrec (''Nesogale dobsoni'') is a species of mammal in the family Tenrecidae. It is endemic to Madagascar. Its natural habitats are subtropical or tropical moist forests, plantations, and heavily degraded former forest. On the ba ...

(''N. dobsoni'') **

Talazac's shrew tenrec Talazac's shrew tenrec (''Nesogale talazaci'') is a species of mammal in the family Tenrecidae. It is endemic to Madagascar. Its natural habitats are subtropical or tropical moist forests. On the basis of molecular data indicating that it and D ...

(''N. talazaci'') * Genus '' Oryzorictes'' ** Mole-like rice tenrec (''O. hova'') ** Four-toed rice tenrec (''O. tetradactylus'')

References

Afrosoricida Mammal subfamilies {{afrosoricida-stub

Species

See also

References