Nomenclature
original description
Haeckel, E. (1879). Das System der Medusen. Erster Teil einer Monographie der Medusen. <em>Denkschriften der Medicinisch-Naturwissenschaftlichen Gesellschaft zu Jena.</em> 1: XX+1-360, 320 plates., available online at https://www.biodiversitylibrary.org/page/32605578
page(s): 46 [details]
basis of record
Bouillon, J.; Boero, F. (2000). Synopsis of the families and genera of the Hydromedusae of the world, with a list of the worldwide species. <i>Thalassia Salent. 24</i>: 47-296 (look up in IMIS) [details]
Present
Inaccurate
Introduced: alien
Containing type locality
From editor or global species database
Diagnosis Hydroids stolonal, arising from creeping stolons; hydranths on short hydrocaulus; hydrorhiza and hydrocaulus covered by perisarc, which forms a cup at hydranth base; hydranth with one whorl of filiform tentacles, large nematocysts alternating with tentacles; gonophores unknown. Medusa with four developed marginal tentacles arising from large, hollow tentacular bulbs; four simple radial canals and a circular canal, mouth with four simple lips; gonads interradial, with smooth surface; with or without mesenteries; without rudimentary bulbs; margin with or without cirri-like tentacles; exceptionally with ocelli. [details]
Taxonomy Created by Haeckel originally as Protiaridae as a subfamily of Tiaridae [details]
From editor or global species database