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Schizorhynchia (Platyhelminthes Rhabdocoela) of Lanzarote (Canary Islands), with the description of eight new species

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Abstract

In this paper, an overview is given of the Schizorhynchia collected during the I International Workshop to Marine and Anchialine Meiofauna on the island of Lanzarote. Eight species previously unknown to science are described: Cheliplana curini n. sp., C. canariensis n. sp., C. sarnensis n. sp., Cheliplanilla cavavulcana n. sp., C. todaroi n. sp., Proschizorhynchus martinezi n. sp., Schizochilus lanzarotensis n. sp. and Pseudoschizorhynchoides timoshkini n. sp. These new species are primarily distinguished from their congeners by unique features in the genital system, especially the morphology of the copulatory hard structures. Additionally, new data are presented for the known species Carcharodorhynchus flavidus Brunet, 1967. We also make note of an undescribed species, probably belonging to the genus Proschizorhynchella Schilke, 1970, collected in Lanzarote. Carcharodorhynchus worsaae Reygel, Janssen & Artois, 2014, which was collected during the same sampling campaign, is also briefly mentioned. For Carcharodorhynchus flavidus, Proschizorhynchus martinezi n. sp. and Cheliplana curini n. sp., we also report on (new) localities outside of Lanzarote.

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Acknowledgements

We thank Prof. Dr. Katrine Worsaae and Dr. Alejandro Martínez for organising the workshop in Lanzarote in the autumn of 2011. Dr. Diego Fontanetto and Prof. Dr. Curini-Galletti are thanked for organising the sampling workshop in Sardinia in 2014. We also thank Natascha Steffanie for sectioning and staining the serially sectioned specimens. Dr. Nikki Watson is thanked for her most valuable linguistic comments.

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Authors and Affiliations

  1. Centre for Environmental Sciences, Research Group Zoology: Biodiversity and Toxicology, Hasselt University, Campus Diepenbeek, Agoralaan, Gebouw D, 3590, Diepenbeek, Belgium

    Stefan Gobert, Patrick Reygel & Tom Artois

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  1. Stefan Gobert
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  2. Patrick Reygel
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  3. Tom Artois
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Correspondence to Tom Artois.

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Communicated by A. Martínez García

This article is a contribution to the Topical Collection Interstitial and Cave Diversity in Atlantic Oceanic Islands

This article is registered in ZooBank under urn:lsid:zoobank.org: pub:8ECE5170-CBFC-4DFE-8E8A-76FE4B3DA3E5

Electronic supplementary material

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Cheliplana sarni n. sp. Video of a live specimen of C. sarni, showing the extension of the caudal region (MOV 21841 kb)

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Gobert, S., Reygel, P. & Artois, T. Schizorhynchia (Platyhelminthes Rhabdocoela) of Lanzarote (Canary Islands), with the description of eight new species. Mar Biodiv 49, 2089–2107 (2019). https://doi.org/10.1007/s12526-017-0736-x

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