Redescription of Acryptolaria normani Nutting, 1927, junior synonym of the Western Pacific species Zygophylax tizardensis Kirkpatrick, 1890 (Cnidaria : Hydrozoa : Lafoeidae)

摘要

The holotype of Acryptolaria normani Nutting, 1927, a species neither reported nor cited since the original description, has been studied, redescribed and figured. The species has been found to be conspecific with Zygophylax tizardensis Kirkpatrick, 1890, a Western Pacific species for which remarks and known data on its geographical and bathymetrical distribution are provided.