Turritopsis

Turritopsis
Scientific classification
Kingdom:	Animalia
Phylum:	Cnidaria
Class:	Hydrozoa
Order:	Anthoathecata
Family:	Oceaniidae
Genus:	Turritopsis McCrady, 1857 [1]
Species
See text
Synonyms
Clavula Wright, 1859 Dendroclava Weismann, 1883

Turritopsis is a genus of hydrozoans in the family Oceaniidae.

Species

According to the World Register of Marine Species , this genus includes the following species: ^[2]

• Turritopsis chevalense(Thorneley, 1904) – species inquirenda
• Turritopsis dohrnii (Weismann, 1883) also known as the "Benjamin Button jellyfish", or the "immortal jellyfish". It can reverse its life cycle and transform itself back to a polyp. ^[3]
• Turritopsis fascicularis Fraser, 1943
• Turritopsis lata Lendenfeld, 1884
• Turritopsis minor (Nutting, 1905)
• Turritopsis nutricula McCrady, 1857 (several species, including the "immortal jellyfish", were formerly classified as T. nutricula) ^[4]
• Turritopsis pacifica Maas, 1909
• Turritopsis pleurostoma (Péron & Lesueur, 1809) – species inquirenda
• Turritopsis polycirrha (Keferstein, 1862)
• Turritopsis rubra Farquhar, 1895

References

1. "Turritopsis". Integrated Taxonomic Information System . Retrieved 16 June 2011.
2. "Turritopsis". WoRMS. World Register of Marine Species . Retrieved 5 August 2012.
3. Nathaniel Rich (28 November 2012). "Can a Jellyfish Unlock the Secret of Immortality?". The New York Times . Retrieved 28 November 2012. For this reason Turritopsis dohrnii is often referred to as the Benjamin Button jellyfish.
4. M. P. Miglietta; S. Piraino; S. Kubota; P. Schuchert (2007). "Species in the genus Turritopsis (Cnidaria, Hydrozoa): a molecular evaluation". Journal of Zoological Systematics and Evolutionary Research. 45 (1): 11–19. doi: 10.1111/j.1439-0469.2006.00379.x .

External links

• "Turritopsis". National Center for Biotechnology Information (NCBI).
• "Turritopsis". The Encyclopedia of Life .