Hydrozoa taxon details

Cytaeididae L. Agassiz, 1862

22801  (urn:lsid:marinespecies.org:taxname:22801)

accepted
Family
Genus Cytaeis Eschscholtz, 1829
Genus Paracytaeis Bouillon, 1978
Genus Perarella Stechow, 1922

Genus Nigritina Steenstrup, 1837 accepted as Cytaeis Eschscholtz, 1829 (invalid, unpublished name)

Genus Stylactella Haeckel, 1889 (uncertain > nomen dubium)
marine, brackish, fresh, terrestrial
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]   
Schuchert, P. (2022). World Hydrozoa Database. Cytaeididae L. Agassiz, 1862. Accessed at: https://www.marinespecies.org/hydrozoa/aphia.php?p=taxdetails&id=22801 on 2022-09-29
Date
action
by
2004-12-21 15:54:05Z
created
db_admin
2009-04-28 12:00:23Z
changed
2017-10-28 09:10:19Z
changed

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]  OpenAccess publication 
 
 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]