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      Tanaidacea of Greece: a preliminary checklist

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          Abstract

          Background

          The checklist of Tanaidacea of Greece was developed in the framework of the LifeWatchGreece Research Infrastructure (ESFRI) project and coordinated by the Hellenic Centre for Marine Research during the period 2013-2015. By applying the Greek Taxon Information System (GTIS) of this project, a complete checklist of species recorded from Greek Seas has been developed. The objectives of the present study were to update and cross-check all tanaidacean species known to occur in Greek Seas. Inaccuracies and omissions according to recent literature and the current taxonomic status were also investigated.

          New information

          The up-to-date checklist of Tanaidacea of Greece comprises 20 species, classified to 11 genera and five families.

          Related collections

          Most cited references 36

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          Depth and Seasonal Distribution of Some Groups of the Vagile Fauna of the Posidonia oceanica Leaf Stratum: Structural and Trophic Analyses

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            World Register of Marine Species

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              Diversity of Tanaidacea (Crustacea: Peracarida) in the World's Oceans – How Far Have We Come?

              Tanaidaceans are small peracarid crustaceans which occur in all marine habitats, over the full range of depths, and rarely into fresh waters. Yet they have no obligate dispersive phase in their life-cycle. Populations are thus inevitably isolated, and allopatric speciation and high regional diversity are inevitable; cosmopolitan distributions are considered to be unlikely or non-existent. Options for passive dispersion are discussed. Tanaidaceans appear to have first evolved in shallow waters, the region of greatest diversification of the Apseudomorpha and some tanaidomorph families, while in deeper waters the apseudomorphs have subsequently evolved two or three distinct phyletic lines. The Neotanaidomorpha has evolved separately and diversified globally in deep waters, and the Tanaidomorpha has undergone the greatest evolution, diversification and adaptation, to the point where some of the deep-water taxa are recolonizing shallow waters. Analysis of their geographic distribution shows some level of regional isolation, but suffers from inclusion of polyphyletic taxa and a general lack of data, particularly for deep waters. It is concluded that the diversity of the tanaidomorphs in deeper waters and in certain ocean regions remains to be discovered; that the smaller taxa are largely understudied; and that numerous cryptic species remain to be distinguished. Thus the number of species currently recognized is likely to be an order of magnitude too low, and globally the Tanaidacea potentially rival the Amphipoda and Isopoda in diversity.
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                Author and article information

                Contributors
                Journal
                Biodivers Data J
                Biodivers Data J
                1
                urn:lsid:arphahub.com:pub:F9B2E808-C883-5F47-B276-6D62129E4FF4
                urn:lsid:zoobank.org:pub:245B00E9-BFE5-4B4F-B76E-15C30BA74C02
                Biodiversity Data Journal
                Pensoft Publishers
                1314-2836
                1314-2828
                2020
                22 April 2020
                : 8
                Affiliations
                [1 ] Hellenic Centre for Marine Research (HCMR), Heraklion, Greece Hellenic Centre for Marine Research (HCMR) Heraklion Greece
                [2 ] Hellenic Center for Marine Recearch (HCMR), Heraklion, Greece Hellenic Center for Marine Recearch (HCMR) Heraklion Greece
                [3 ] WorldFish Center, Los Baños, Philippines WorldFish Center Los Baños Philippines
                Author notes
                Corresponding author: Panayota Koulouri ( yol72@ 123456hcmr.gr ).

                Academic editor: Christos Arvanitidis

                Article
                47184 12375
                10.3897/BDJ.8.e47184
                7192957
                Panayota Koulouri, Vasilis Gerovasileiou, Nicolas Bailly, Costas Dounas

                This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                Page count
                Figures: 0, Tables: 0, References: 37
                Categories
                Taxonomic Paper
                LifeWatchGreece: Research infrastructure (ESFRI) for biodiversity data and data observatories
                Eumalacostraca
                Peracarida
                Tanaidacea
                Crustacea
                Arthropoda
                Malacostraca
                Invertebrata
                Animalia
                Marine Biota & Ecosystems
                Zoology & Animal Biology

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