WoRMS taxon details

Checked: verified by a taxonomic editorAcaulidae Fraser, 1924

22776  (urn:lsid:marinespecies.org:taxname:22776)

accepted
Family
marine, terrestrial
recent only
Fraser, C. M. 1924. Acaulis primarius Stimpson. - Transactions of the Royal Society of Canada, Sec. V. 173: 165-173. [details]   
Schuchert, P. (2013). Acaulidae. In: Schuchert, P. (2017). World Hydrozoa database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=22776 on 2017-12-12

Date
action
by
2004-12-21 15:54:05Z
created
db_admin
2008-01-10 07:31:11Z
changed
2009-04-28 06:22:10Z
changed
2010-06-25 10:42:00Z
changed
2013-02-22 16:26:12Z
changed

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original description Fraser, C. M. 1924. Acaulis primarius Stimpson. - Transactions of the Royal Society of Canada, Sec. V. 173: 165-173. [details]   

basis of record Bouillon, J.; Gravili, C.; Pagès, F.; Gili, J.-M.; Boero, F. (2006). An introduction to Hydrozoa. Mémoires du Muséum national d'Histoire naturelle, 194. Muséum national d'Histoire naturelle: Paris, France. ISBN 2-85653-580-1. 591 + 1 cd-rom pp. (look up in IMIS[details]   
From editor or global species database
Checked: verified by a taxonomic editorDiagnosis Hydroid solitary, body divided into basal and distal part. Basal part conical to cylindrical, covered or not by gelatinous perisarc which may form anchoring filaments. Distal part with tentacles, tentacles capitate or indistinctly capitate. Upper part of hydranth with one or two oral whorls of capitate tentacles and scattered capitate tentacles below; below capitate tentacles with or without one whorl of thick filiform tentacles Gonophores fixed sporosacs in the lower or middle part of the hydranth, sometimes with asexual reproduction by transverse fission [details]