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A Revision Of The Octocoral Genus Ovabunda Alderslade, 2001 (Anthozoa, Octocorallia, Xeniidae), Catherine S. Mcfadden, Yehuda Benayahu, Anna Halász, Dafna Aharonovich, Robert Toonen
A Revision Of The Octocoral Genus Ovabunda Alderslade, 2001 (Anthozoa, Octocorallia, Xeniidae), Catherine S. Mcfadden, Yehuda Benayahu, Anna Halász, Dafna Aharonovich, Robert Toonen
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The family Xeniidae (Octocorallia) constitutes an abundant benthic component on many Indo-West Pacific coral reefs and is ecologically important in the Red Sea. The genus Ovabunda Alderslade, 2001 was recently established to accommodate previous Xenia species with sclerites comprised of a mass of minute corpuscle-shaped microscleres. The aim of the present study was to examine type material of Xenia species in order to verify their generic affiliation. We present here a comprehensive account of the genus Ovabunda, using scanning electron microscopy to depict sclerite microstructure. We assign three Xenia species to the genus: O. ainex comb. n., O. …
A New Species Of Ovabunda (Octocorallia, Xeniidae) From The Andaman Sea, Thailand With Notes On The Biogeography Of This Genus, Catherine S. Mcfadden, Michael P. Janes, Thanongsak Chanmethakul
A New Species Of Ovabunda (Octocorallia, Xeniidae) From The Andaman Sea, Thailand With Notes On The Biogeography Of This Genus, Catherine S. Mcfadden, Michael P. Janes, Thanongsak Chanmethakul
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A survey of xeniid octocorals was carried out in the waters off Southwestern Thailand in September, 2007. Microscopic investigation of the colonies revealed that three specimens belonged to the genus Ovabunda. Gross morphological examination is presented here accompanied by scanning electron micrographs of the sclerites. Molecular phylogenetic analysis showed identical genotypes at mtMutS, COI, and 28S rDNA for all three specimens and supports their generic assignment. Colony size and shape, sclerite size, and pinnule arrangement differ from nominal species of Ovabunda and thus a new species, O. andamanensis is introduced here. This work also presents a new …