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Pyrosoma
	Pyrosoma atlanticum
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Subphylum:	Tunicata
Class:	Thaliacea
Order:	Pyrosomatida
Family:	Pyrosomatidae
Subfamily:	Pyrosomatinae
Genus:	Pyrosoma; Péron, 1804
Synonyms
	Dipleurosoma Brooks, 1906;

Pyrosoma is a genus of pyrosomes, marine colonial tunicates in the class Thaliacea.^[1]^[2] It contains four pelagic species found in temperate waters worldwide. Pyrosomes are filter feeders that uniquely use a type of continuous jet propulsion, generated by individual zooids, to slowly move forward while grazing; the species P. atlanticum has the highest known food clearance rate among zooplankton grazers. Colonies can reach lengths of up to 20 m (66 ft).^[3]

Species

The genus contains four recognized species:^[1]

Pyrosoma aherniosum Seeliger, 1895
Pyrosoma atlanticum Péron, 1804
Pyrosoma godeauxi van Soest, 1981
Pyrosoma ovatum Neumann, 1909

References

^ ^a ^b ^c ^d WoRMS. "Pyrosoma Péron, 1804". World Register of Marine Species. Retrieved 30 September 2024.
^ Péron, F. (1804). "Mémoire sur le nouveau genre Pyrosoma". Annales du Muséum d'Histoire Naturelle. 4 (12): 437–446.
^ Henschke, Natasha; Pakhomov, Evgeny A.; Kwong, Lian E.; Everett, Jason D.; Laiolo, Leonardo; Coghlan, Amy R.; Suthers, Iain M. (May 2019). "Large vertical migrations of Pyrosoma atlanticum play an important role in active carbon transport". Journal of Geophysical Research: Biogeosciences. 124 (5): 1056–1070. doi:10.1029/2018JG004918. hdl:10453/139295.