Dugesia japonica

Source: Wikipedia, the free encyclopedia.

Dugesia japonica
Two headed D. japonica that regenerated from a trunk fragment exposed to Praziquantel.[1]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Platyhelminthes
Order: Tricladida
Family: Dugesiidae
Genus: Dugesia
Species:
D. japonica
Binomial name
Dugesia japonica
Ichikawa & Kawakatsu, 1964

Dugesia japonica is a

polyphyletic and different populations across its area of occurrence constitute distinct species.[3]

Phylogeny

D. japonica position in relation with other Dugesia species after the work of Lázaro et al., 2009:[4]

 Dugesia 

 D. japonica

 

D. ryukyuensis

 D. notogaea

 

D. bengalensis

 D. subtentaculata

 

D. gonocephala

 

D. liguriensis

 

D. etrusca

 

D. ilvana

 

D. benazzii

 D. hepta

Space Experimentation

A study was published in 2017 in which a Dugesia Japonica trunk fragment had been sent into space, and grew with two heads, one on either end of the trunk.[5] However, the influence of space conditions on this phenomenon is debated.[6]

References