WoRMS taxon details

Checked: verified by a taxonomic editorPtilocodiidae Coward, 1909

22804  (urn:lsid:marinespecies.org:taxname:22804)

accepted
Family
marine
Coward, W.E., 1909. On Ptilocodium repens , a new gymnoblastic hydroid epizoic on a pennatulid. Versl. wis.-en natuurk. Afd. K. Akad. Wet. Amst. 17 2: 729-735.
page(s): 635 [details]  OpenAccess publication 
Schuchert, P. (2009). Ptilocodiidae. In: Schuchert, P. (2017). World Hydrozoa database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=22804 on 2017-12-12

Date
action
by
2004-12-21 15:54:05Z
created
db_admin
2009-04-28 12:00:23Z
changed

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original description Coward, W.E., 1909. On Ptilocodium repens , a new gymnoblastic hydroid epizoic on a pennatulid. Versl. wis.-en natuurk. Afd. K. Akad. Wet. Amst. 17 2: 729-735.
page(s): 635 [details]  OpenAccess publication 

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. Thalassia Salent. 24: 47-296 (look up in IMIS[details]   
From editor or global species database
Checked: verified by a taxonomic editorDiagnosis 
Hydroids sessile, hydrorhiza stolonal, reticular or encrusting and covered by naked coenosarc; hydranths polymorphic; gastrozooid without tentacles; dactylozooids with four or more capitate tentacles, sometimes filiform; gonophores on gonozooids or gastro-gonozooids; reproduction by fixed sporosacs, eumedusoids or free medusae. Medusa umbrella more or less bell-shaped; with or without radial exumbrellar furrows; centripetal tracks or exumbrellar rows of refringent spots; with marginal nematocyst ring; marginal tentacles absent or present, solid and nematocysts concentrated at tips; four radial canals and circular canal; manubrium tubular or bottle-shaped, with mouth arms with terminal nematocyst clusters, gonads adradial or interradial.  [details]

Checked: verified by a taxonomic editorIdentification 
KEY TO THE PTILOCODIDAE HYDROIDS:
1a dactylozooids of two types . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydrichthella
1b dactylozooids of one type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2a hydrorhiza crust-like, not covered by visible perisarc . . . . . . . . Ptilocodium
2b hydrorhiza a network of perisarc-protected tube-like stolons . . Thecocodium


KEY TO THE PTILOCODIDAE MEDUSAE:
1a no marginal tentacles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tregoubovia
1b with marginal tentacles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2a four interradial gonads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Thecocodium
2b eight adradial gonads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hansiella

 [details]
 



LanguageName 
Japanese Unreviewed: has not been verified by a taxonomic editorウミエラヒドラ  [details]