Registered 20548 species  (Collections:315265, Observations:34746, Other records:1179)
Taxonomic treeOccurrence recordsDatasets and providers
Classification : Eukarya - Opisthokonta - Animalia - Cnidaria - Hydrozoa - Hydroidolina - Siphonophorae - Physonectae

Family Pyrostephidae        

Daly, M., Brugler, M. R., Cartwright, P., Collins, A. G., Dawson, M. N., Fautin, D. G., France, S. C., McFadden, C. S., Opresko, D. M., Rodriguez, E., Romano, S. L. and J. L. Stake (2007)
The phylum Cnidaria: a review of phylogenetic patterns and diversity 300 years after Linnaeus.
Zootaxa 1668: 127-182.