Hydrozoa taxon details

Checked: verified by a taxonomic editorCytaeididae L. Agassiz, 1862

22801

urn:lsid:marinespecies.org:taxname:22801

accepted
Family
marine, brackish, fresh, terrestrial
Agassiz, L. 1862a. Contributions to the natural history of the United States of America. Vol. IV. Little Brown, Boston, pp. 1-380, pls 1-19., available online at http://www.biodiversitylibrary.org/item/54510#page/9/mode/1up
page(s): 341 [details]   
Schuchert, P. (2009). Cytaeididae L. Agassiz, 1862. In: Schuchert, P. (2017). World Hydrozoa database. Accessed at http://www.marinespecies.org/hydrozoa/aphia.php?p=taxdetails&id=22801 on 2017-11-21

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. 1862a. Contributions to the natural history of the United States of America. Vol. IV. Little Brown, Boston, pp. 1-380, pls 1-19., available online at http://www.biodiversitylibrary.org/item/54510#page/9/mode/1up
page(s): 341 [details]   

redescription Schuchert, P. (2007). The European athecate hydroids and their medusae (Hydrozoa, Cnidaria): Filifera part 2. Revue suisse de Zoologie. 114: 195-396., available online at http://www.biodiversitylibrary.org/item/128673#page/25/mode/1up [details]  OpenAccess publication 

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/item/84548#page/449/mode/1up [details]   
From editor or global species database
Checked: verified by a taxonomic editorDiagnosis 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]