Registered 21140 species  (Collections:317427, Observations:35209, Other records:1193)
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.