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WoRMS taxon details

Checked: verified by a taxonomic editorRhysiidae (Hickson & Gravely, 1907) 
AphiaID: 231546

Classification: Biota > Checked: verified by a taxonomic editorAnimalia (Kingdom) > Checked: verified by a taxonomic editorCnidaria (Phylum) > Checked: verified by a taxonomic editorHydrozoa (Class) > Checked: verified by a taxonomic editorHydroidolina (Subclass) > Checked: verified by a taxonomic editorAnthoathecata (Order) > Checked: verified by a taxonomic editorFilifera (Suborder) > Checked: verified by a taxonomic editorRhysiidae (Family)
Status accepted
Rank Family
Parent Checked: verified by a taxonomic editorFilifera
Source  basis of record RAMS Hydrozoa checklist from Dr. Álvaro L. Peña Cantero (look up in IMIS[details]

Direct child
taxa (1)

[show all]
 Genus Checked: verified by a taxonomic editorRhysia Brinckmann, 1965
Link Unreviewed: has not been verified by a taxonomic editorTo ITIS
From editor or global species database
Checked: verified by a taxonomic editorDiagnosis Hydroid stolonal or sessile, polymorphic; hydrorhiza tubular, covered with perisarc; gastrozooid naked, columnar, with either one whorl of filiform tentacles or with nematocyst clusters and a few thick filiform tentacles around hypostome; dactylozooids, when present, covered with perisarc up to capitate tip; gonads on hydranth resembling gastrozooid, on one side of the body, no gonophores; male hydranth with 3 or 4 filiform tentacles, female hydrants with or without tentacles and transforming into a sporosac-like structure with the endoderm forming a spadix, one egg, developing into a planula. [details]
ImageChecked: verified by a taxonomic editor 
Family Rhysiidae - Genus Rhysia: typical polyp
Family Rhysiidae - Gen...
LSID urn:lsid:marinespecies.org:taxname:231546
Edit history
Date   action   by
2006-05-29 14:23:10Z  created  Charbonneau, Danny
2009-04-28 06:22:10Z  changed  Schuchert, Peter
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  Citation: Schuchert, P. (2009). Rhysiidae (Hickson & Gravely, 1907). In: Schuchert, P. (2017). World Hydrozoa database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=231546 on 2017-10-23
  Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License