title: Species of Elasmogorgia and Euplexaura (Cnidaria, Octocorallia) from Japan with a discussion about the genus Filigella.
abstract: Octocorals with thread-like colony shape have been re-examined, mainly from Japanese waters. The holotypes of Elasmogorgia filiformis and Filigella boninensis and a syntype of Filigella mitsukurii have been studied. Euplexaura arbuscula is identified and Euplexaura yayoii sp. n. described.
authors.affiliation: Planetary Exploration Research Center (PERC), Chiba Institute of Technology (Chitech), Tsudanuma 2-17-1, Narashino, Chiba 275-0016, Japan.
authors.forename: Asako K
authors.initials: AK
authors.lastname: Matsumoto
authors.affiliation: Naturalis Biodiversity Center, Darwinweg 2, P.O. Box 9517, 2300 RA Leiden, The Netherlands.
authors.forename: Leen P
authors.initials: LP
authors.lastname: van Ofwegen
keywords: Alcyonacea; Astrogorgia; Challenger Expedition; Indo-Pacific; Plexauridae; Thesea; deep-water octocorals; new species