Turritopsis

Turritopsis
Scientific classification
Domain:	Eukaryota
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.

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