Continenticola

Continenticola is a clade that includes the land planarians (Geoplanidae) and the freshwater triclads (Dendrocoelidae, Dugesiidae, Kenkiidae and Planariidae).

Continenticola
From upper left: Dugesia subtentaculata, a dugesiid; Dendrocoelum cavaticum, a Dendrocoelidae; Platydemus manokwari, a Geoplanidae; and Polycelis felina, a Planariidae.
Scientific classification
Kingdom: Animalia
Phylum: Platyhelminthes
Class: Rhabditophora
Order: Tricladida
Suborder: Continenticola
Carranza et al., 1998[1]
Superfamilies and families[2]

Phylogeny

On the basis of molecular evidences, Carranza and colleagues suggested in 1998 that the families of freshwater and land flatworms must be grouped together in a monophyletic group that they coined Continenticola. This grouping was accepted by Ronald Sluys in 2009. Despite the molecular evidences, there are no morphological apomorphies supporting this clade.[2]

Phylogenetic supertree after Sluys et al., 2009:[2]

Tricladida
 

Maricola

 
 
 

Cavernicola

 
Continenticola
Planarioidea
 

Planariidae

 
 
 

Kenkiidae

 
 

Dendrocoelidae

 
 
 
Geoplanoidea
 

Dugesiidae

 
 

Geoplanidae

 
 
 
 
 
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References
  1. Carranza, S.; Littlewood, D. T.; Clough, K. A.; Ruiz-Trillo, I.; Baguñà, J.; Riutort, M. (1998). "A robust molecular phylogeny of the Tricladida (Platyhelminthes: Seriata) with a discussion on morphological synapomorphies". Proceedings of the Royal Society B: Biological Sciences. 265 (1396): 631–640. doi:10.1098/rspb.1998.0341. PMC 1689013. PMID 9881470.
  2. Sluys, R.; Kawakatsu, M.; Riutort, M.; Baguñà, J. (2009). "A new higher classification of planarian flatworms (Platyhelminthes, Tricladida)". Journal of Natural History. 43 (29–30): 1763–1777. doi:10.1080/00222930902741669.
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