Xenoturbella japonica

Xenoturbella japonica
X. japonica holotype female
Scientific classification
Kingdom: Animalia
Phylum: Xenacoelomorpha
Family: Xenoturbellidae
Genus: Xenoturbella
Species: X. japonica
Binomial name
Xenoturbella japonica

Xenoturbella japonica is a marine benthic worm-like species that belongs to the genus Xenoturbella. It is found from western Pacific Ocean by a group of Japanese scientists from the University of Tsukuba. It was proposed in 2017 in a study published in the journal BMC Evolutionary Biology. X. japonica is known for lacking respiratory, circulatory and an excretory system.[1][2][3]

References

  1. ↑ Georgiou, Aristo (19 December 2017). "Mysterious new deep-sea species with no anus sheds light on early evolution". International Business Times. Retrieved 28 December 2017.
  2. ↑ "Mysterious new seafloor species sheds light on early animal evolution". Phys.org. 19 December 2017. Retrieved 28 December 2017.
  3. ↑ Nakano, Hiroaki; Miyazawa, Hideyuki; Maeno, Akiteru; Shiroishi, Toshihiko; Kakui, Keiichi; Koyanagi, Ryo; Kanda, Miyuki; Satoh, Noriyuki; Omori, Akihito; Kohtsuka, Hisanori (2017). "A new species of Xenoturbella from the western Pacific Ocean and the evolution of Xenoturbella". BMC Evolutionary Biology. 17 (1). doi:10.1186/s12862-017-1080-2.
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