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Field guide to the brittle and basket stars (Echinodermata: Ophiuroidea) of South Africa
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Brittle and basket stars (ophiuroids) are one of five extant classes of the phylum Echinodermata and have a fossil record dating back almost 500 million years to the Early Ordovician. Today, they remain diverse and widespread, with over 260 described genera and 2,077 extant species globally (Stöhr et al. 2018), more than any other class of echinoderm. Ophiuroid species are found across all marine habitats from the intertidal shore to the abyss. In southern Africa, the ophiuroid fauna has been studied extensively by a number of authors and is relatively wellknown. The last published review of the southern African Ophiuroidea however was by Clark & Courtman-Stock in 1976. It included 101 species reported from within the boundaries of South Africa. In the 40 years since that publication the number of species has risen to 136. This identification guide includes a taxonomic key to all 136 species, and gives key references, istribution maps, diagnoses, scaled photographs (where possible), and a synthesis of known ecological and depth information for each. The guide is designed to be comprehensive, well illustrated and easy to use for both naturalists and professional biologists. Taxonomic terms, morphological characteristics and technical expressions are defined and described in detail, with illustrations to clarify some aspects of the terminology. A checklist of all species in the region is also included, and indicates which species are endemic (33), for which we report significant range extensions (23), which have been recorded as new to the South African fauna (28) since the previous monograph of Clark & Courtman-Stock (1976) and which have undergone taxonomic revisions since that time (28).
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RBINS Staff Publications 2019
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The sea cucumber Holothuria lineata Ludwig, 1875 (Holothuroidea, Aspidochirotida, Holothuriidae) re-described from the newly found type
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A re-description of the little-known holothurian species Holothuria (Lessonothuria) lineata Ludwig, 1875 is given. It is based on the single recovered type specimen and an individual recently collected on Glorioso Islands, near Madagascar. A key to separate three closely related and commonly confused species, i.e., Holothuria (Lessonothuria) pardalis Selenka, 1867, Holothuria (Lessenothuria) verrucosa Selenka, 1867 and Holothuria (Lessonothuria) insignis Ludwig, 1875, is presented.
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RBINS Staff Publications 2019
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Description of a new Chersodromia Walker (Diptera: Hybotidae, Tachydromiinae) from salt marshland at the Reserva natural de s’Albufereta, Mallorca, Spain)
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RBINS Staff Publications 2023 OA
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The Hybotidae of the Our Planet Reviewed Corsica 2019-2021 survey, with the description of three new species of Platypalpus and Tachydromia (Diptera, Empidoidea)
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RBINS Staff Publications 2023 OA
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Calodromius bifasciatus (Coleoptera: Carabidae) in de Benelux en het omliggend gebied
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RBINS collections by external author(s)
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Redescription of Teretoctopus alcocki Robson, 1932 (Cephalopoda: Enteroctopodidae), and comments on the nomenclature of “inkless octopus” genera
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Two species have been attributed to the genus Teretoctopus Robson, 1929: T. indicus Robson, 1929, the type species of the genus, and T. alcocki Robson, 1932. Of the four original T. alcocki syntypes, we relocate and redescribe the remains of two of them, and designate one of them the lectotype. Of three original T.indicus syntypes, it is probable that one is lost permanently, but the whereabouts of two of them remains unknown. What we can discern from remaining T. alcocki type material, augmented with descriptions of these specimens by Anne Massy and Guy Robson, is compared with what is known of the type species of this genus, T. indicus. A rediagnosis of the genus Teretoctopus is proffered, and relationships between this genus and others historically referred to as “inkless octopuses” are evaluated. While Teretoctopus has nomenclatural priority over Vulcanoctopus González et Guerra, 1998 and Muusoctopus Gleadall, 2004, for which it is possibly the senior synonym, and shares many characters and states with Ameloctopus Norman, 1992, further taxonomic resolution of relationships among these genera must await description and molecular analyses of accurately identified Teretoctopus specimens from the Gulf of Oman and northern Arabian Sea.
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RBINS Staff Publications 2026 OA
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On the arachnofauna of the Jean Massart botanical garden (Brussels-Capital Region, Belgium)
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RBINS Staff Publications 2022 OA
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Two new species of Spiniphiline (Gastropoda: Cephalaspidea) from the Middle and Eastern Atlantic Ocean
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RBINS Staff Publications 2021
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A Review of Species in Fusceulima (Gastropoda: Eulimidae) from the NE Atlantic Ocean and the Western Mediterranean Sea with Illustration of Key Type Specimens
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RBINS Staff Publications 2021
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Rediscovery of Camponotus herculeanus (Linnaeus, 1758) in Belgium (Hymenoptera: Formicidae)
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Camponotus herculeanus (Linnaeus, 1758) was rediscovered in Belgium near Ouren. Throughout the spring and summer of 2023, workers were collected on multiple occasions in a Picea abies stand near the Belgian-German boarder.
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RBINS Staff Publications 2024