WoRMS taxon details
Nomenclatureoriginal description
Agassiz, L. (1862). Contributions to the natural history of the United States of America. <em>Little Brown, Boston.</em> 4: 1-380, pls 1-19., available online at https://www.biodiversitylibrary.org/page/16068829 page(s): 349 [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]
Othercontext source (Hexacorallia)
Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details]
From editor or global species database
Diagnosis Medusa with broad manubrium base; eight simple or bifurcated radial canals; marginal tentacles hollow; no cirri, no statocysts, no cordyli; with or without ocelli.
Hydroid stolonal or sparingly branched, arising from creeping hydrorhiza; perisarc thinning away completely below hydranth base, no hydrotheca; hydranth naked, large, spindle-shaped, amphicoronate tentacles; no intertentacular web; gonophores borne on cauli of hydranths, no gonothecae. [details]
From editor or global species database
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