Atolla

Atolla
Scientific classification
Kingdom:	Animalia
Phylum:	Cnidaria
Class:	Scyphozoa
Order:	Coronatae
Family:	Atollidae; Bigelow, 1913
Genus:	Atolla; Haeckel, 1880
Species
	Atolla chuni; Atolla gigantea; Atolla parva; Atolla russeli; Atolla vanhoeffeni; Atolla wyvillei;

Atolla is a genus of crown jellyfish which was proposed by Ernst Haeckel in 1880 and elevated to the family level by Henry Bigelow in 1913.^[1] The six known species inhabit mesopelagic zone.^[2] The medusae possess multiple (more than 16) lobes called lappets at the bell margin.^[2] The number of tentacles and rhopalia is twice as less as the number of lappets.^[2]

References

^ ^a ^b "Atolla Haeckel, 1880". WoRMS. World Register of Marine Species. 2011. Retrieved January 20, 2012.
^ ^a ^b ^c M. Daly, M. R. Brugler, P. Cartwright, A. G. Collins, M. N. Dawson, D. G. Fautin, S. C. France, C. S. McFadden, D. M. Opresko, E. Rodrigues, S. L. Romanos & J. L. Stakes (2007). Z.-Q. Zhang & W. A. Shear (ed.). "Linnaeus Tercentenary: Progress in Invertebrate Taxonomy" (PDF). Zootaxa. 1668: 127–182. {{cite journal}}: |chapter= ignored (help)CS1 maint: multiple names: authors list (link)

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[worms-1] "Atolla Haeckel, 1880". WoRMS. World Register of Marine Species. 2011. Retrieved January 20, 2012.

[daly-2] M. Daly, M. R. Brugler, P. Cartwright, A. G. Collins, M. N. Dawson, D. G. Fautin, S. C. France, C. S. McFadden, D. M. Opresko, E. Rodrigues, S. L. Romanos & J. L. Stakes (2007). Z.-Q. Zhang & W. A. Shear (ed.). "Linnaeus Tercentenary: Progress in Invertebrate Taxonomy" (PDF). Zootaxa. 1668: 127–182. {{cite journal}}: |chapter= ignored (help)CS1 maint: multiple names: authors list (link)

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