Continenticola
Encyclopedia
Continenticola conforms a clade
Clade
A clade is a group consisting of a species and all its descendants. In the terms of biological systematics, a clade is a single "branch" on the "tree of life". The idea that such a "natural group" of organisms should be grouped together and given a taxonomic name is central to biological...

 that includes the land planarians (Geoplanidae) and the freshwater triclads (Dendrocoelidae
Dendrocoelidae
Dendrocoelidae is a family of freshwater tricladida flatworms.The largest triclad known belongs to this family, it's up to 40 cm in length and inhabits the Lake Baikal.Dendrocoelidae is the sister group of Planariidae.-Genera:...

, Dugesiidae
Dugesiidae
Dugesiidae is a family of freshwater Tricladida distributed worldwide . According to molecular analyses, Dugesiidae is the sister group of land planarians.-Genera:Eleven Dugesiidae genera are known:* Bopsula* Cura* Dugesia...

, Kenkiidae and Planariidae
Planariidae
Planariidae is a family of Tricladida that inhabits the freshwater.The type genus is Planaria Müller, 1776.-Genera:Twelve genera of Planariidae are known:*Albiplanaria*Atrioplanaria*Crenobia*Galeocephala*Hymanella...

).

Phylogeny

Phylogenetic tree after Carranza et al. 1998:
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