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MarBEF Data System |
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WoRMS taxon details
original 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): 341 [details]
context source (Hexacorallia)
Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details]
redescription
Rees, W.J., 1962. Hydroids of the family Cytaeidae L. Agassiz 1862. Bull. Br. Mus. nat. Hist., Zool. 8 8: 381-400., available online at https://www.biodiversitylibrary.org/page/26204270 [details]
redescription
Schuchert, P. (2007). The European athecate hydroids and their medusae (Hydrozoa, Cnidaria): Filifera part 2. <em>Revue suisse de Zoologie.</em> 114: 195-396., available online at https://www.biodiversitylibrary.org/page/41281106 [details] 
 Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Hydroids sessile, usually not polymorphic, hydrorhiza reticulate, covered by perisarc, without spines; hydranth with one whorl of filiform tentacles below conical hypostome, naked, at base of hydranth perisarc forming a cup-shaped collar, sometimes hydranths of two sizes, smaller ones acting as dactylozooids; gonophores on hydrorhiza, developing into free medusae, or medusoids with four radial canals, or to fixed sporosacs. Medusa umbrella bell-shaped; manubrium bulbous; mouth simple, circular, with four or more unbranched oral arms, either on or above mouth rim; four radial canals and circular canal; four or eight solid marginal tentacles; gonads interradial or encircling manubrium; no ocelli. [details]
From editor or global species database
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