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  • 1
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    \xef\xbb\xbfA new genus of soft coral (Octocorallia, Malacalcyonacea, Cladiellidae) and three new species from Indo-Pacific coral reefs (2024)
    In:  ZooKeys vol. 1188, pp. 275-304
    Details
    Publication Date: 2024-02-01
    Description: Molecular systematic studies of the anthozoan class Octocorallia have revealed widespread incongruence between phylogenetic relationships and taxonomic classification at all levels of the Linnean hierarchy. Among the soft coral taxa in order Malacalcyonacea, the family Alcyoniidae and its type genus Alcyonium have both been recognised to be highly polyphyletic. A recent family-level revision of Octocorallia established a number of new families for genera formerly considered to belong to Alcyoniidae, but revision of Alcyonium is not yet complete. Previous molecular studies have supported the placement of Alcyonium verseveldti (Benayahu, 1982) in family Cladiellidae rather than Alcyoniidae, phylogenetically distinct from the other three genera in that family. Here we describe a new genus, Ofwegenum gen. nov. to accommodate O. verseveldti comb. nov. and three new species of that genus, O. coronalucis sp. nov., O. kloogi sp. nov., and O. colli sp. nov., bringing the total number of species in this genus to four. Ofwegenum gen. nov. is a rarely encountered genus so far known from only a few locations spanning the Indian and western Pacific Oceans. We present the morphological characters of each species and use molecular data from both DNA barcoding and target-enrichment of conserved elements to explore species boundaries and phylogenetic relationships within the genus.
    Keywords: DNA barcoding ; molecular phylogeny ; new combination ; northern Red Sea ; Ofwegenum gen. nov. ; Oman ; R\xc3\xa9union ; sclerites ; target-enrichment ; taxonomy ; ultraconserved elements
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 2
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    Unique Aggregations of a Large Undescribed Solitary Tunicate in the Arabian Sea (2024)
    In:  Diversity vol. 16 no. 4
    Details
    Publication Date: 2024-04-18
    Description: We document aggregations of an undescribed benthic solitary tunicate of the family Pyuridae from the Arabian Sea. This new genus was found forming dense thickets in shallow rocky substrates around Masirah Island and the Dhofar area in Oman. Such aggregations of tunicates have not been reported before from coral reefs in the Indo-West Pacific region and the Atlantic. This observation contributes to our understanding of the ecology and biogeography of ascidians, setting the stage for a comprehensive species description and in-depth analysis of this species.
    Keywords: Indian Ocean ; Masirah Island ; Ascidiacea ; Oman ; phylogeny ; anatomy
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 3
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    Aggregations of a Sessile Ctenophore, Coeloplana sp., on Indo-West Pacific Gorgonians (2023)
    MDPI AG
    In:  Diversity vol. 15 no. 10, pp. 1060-1060
    Details
    Publication Date: 2024-04-18
    Description: We document the benthic ctenophores Coeloplana sp. and Vallicula multiformis from Oman, extending their geographic range. A new Coeloplana species was found forming aggregations on gorgonians of two octocoral host genera, Melithaea and Euplexaura, representing associations previously unknown to occur in the Indo-West Pacific region. Our findings also illustrate the concurrent presence of the ectocommensal ophiuroid Ophiothela mirabilis, which adversely affects other Coeloplana species in the tropical West Atlantic, where it is considered invasive. This exploration contributes to our understanding of the biogeography, species distribution, and ectosymbiotic associations of these genera, setting the stage for a comprehensive species description and in-depth analysis of host relationships in future studies.
    Keywords: Ctenophora ; Octocorallia ; Arabian Sea ; Platyctenida ; Oman ; Masirah Island ; ectosymbiotic
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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