''Timyma'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

land planarian Geoplanidae is a family of flatworms known commonly as land planarians or land flatworms. These flatworms are mainly predators of other invertebrates, which they hunt, attack and capture using physical force and the adhesive and digestive proper ...

s from Chile. It is the sole genus of the subfamily Timyminae.

Description

The genus ''Timyma'' includes planarians of elongate body and spatula-like anterior end. Although most land planarians native from South America have dorsal testes, ''Timyma'' has ventral testes, which at first suggested that it is related to the

Australasia Australasia is a subregion of Oceania, comprising Australia, New Zealand (overlapping with Polynesia), and sometimes including New Guinea and surrounding islands (overlapping with Melanesia). The term is used in a number of different context ...

species of the tribe

Caenoplanini Caenoplanini is a tribe of land planarians in the subfamily Rhynchodeminae mostly found throughout the Australasian and Oceanian realms. Description The tribe Caenoplanini is defined as containing land planarians with multiple eyes along the bod ...

. However, the longitudinal cutaneous musculature of ''Timyma'' is very weak, differently from other genera in this tribe. However, molecular studies confirmed that it is more closely related to other land planarians in South America, having a sister-group relationship with the subfamily

Geoplaninae Geoplaninae is a subfamily of land planarians endemic to the Neotropical region. Members of this family are sometimes referred to as the Neotropical land planarians. However, one species, '' Obama nungara'' has been introduced in Europe. Descri ...

. The copulatory apparatus lacks adenodactyls and a permanent penis papilla.

Species

There are currently two species recognised in the genus ''Timyma'': * '' Timyma juliae'' Froehlich, 1978 * '' Timyma olmuensis'' Almeida & Carbayo, 2021

References

{{Taxonbar, from=Q18597046 Geoplanidae Rhabditophora genera