Higher Classification: > Kingdom Animalia > Subkingdom Eumetazoa > Phylum Cnidaria > Subphylum Medusozoa > Class Hydrozoa > Subclass Hydroidolina > Order Leptothecata > Family Orchistomatidae > Genus Orchistoma

Orchistoma pileus (Lesson, 1843)

Rank: Species
Taxon Status: accepted

Original genus

Mesonema Eschscholtz, 1829

Relationships towards this taxon

Genus group names

*Orchistoma*	Haeckel, 1879	accepted genus name

Species group names

*Orchistoma agariciforme*	Keller, 1884	synonym

Literature

basis of record	Vervoort, W.; Schuchert, P. & van der Land, J. (2000-2007). as a contribution to UNESCO-IOC Register of Marine Organisms.
additional source	Kramp, P. L. 1959a. The Hydromedusae of the Atlantic Ocean and adjacent waters. Dana Report 46: 1-283.
additional source	Segura-Puertas, L., L. Celis, and L. Chiaverano. 2009. Medusozoans (Cnidaria: Cubozoa, Scyphozoa, and Hydrozoa) of the Gulf of Mexico, Pp. 369–379 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Pre
additional source	Kramp, P. L. (1961). Synopsis of the medusae of the world. Journal of the Marine Biological Association of the U. K. 40: 1-469.
additional source	Schuchert P., Collins R. (2024). Additional observations on hydromedusae during night dives in the Gulf Stream. Revue suisse de Zoologie. 131(1): 43-120.
redescription	Schuchert P.; Collins R. (2021). Hydromedusae observed during night dives in the Gulf Stream. Revue suisse de Zoologie. 128(2): 237-356.

Genbank

Citation

Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2025). World Hydrozoa Database. Orchistoma pileus (Lesson, 1843). Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:285115