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Two new species of Batillipes (Tardigrada, Arthrotardigrada, Batillipedidae) from the Argentinean Atlantic coast, and a key to all known species

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Abstract

In this paper, we describe two new species of marine tardigrades, Batillipes lingularum n. sp. and Batillipes amblypyge n. sp., both found in midlittoral sand sediments collected at Monte Hermoso beach (Buenos Aires Province, Argentina). Batillipes lingularum n. sp. exhibits a single sharp caudal appendage, lateral processes, and the middle toes of legs IV equal in length. It differs from all other members of the genus by the presence of a tongue-like projection behind the common cirrophore bearing the primary clava and lateral cirrus on both sides of the head. Batillipes amblypyge n. sp. does not have lateral processes or caudal appendage, and the middle toes of leg IV are equal in length. Primary clavae as long as the lateral cirri is the main diagnostic character of this new species. With this contribution, the number of marine species recorded from Argentina increases to four: B. mirus, B. acuticauda, B. lingularum n. sp., and B. amblypyge n. sp.

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Acknowledgements

VNB and NJC are staff researchers of the Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET, Argentina) and Comisión de Investigaciones Científicas de la Provincia de Buenos Aires (CIC), respectively. This paper was partially funded by CIC and Universidad Nacional del Sur (24/B199), Argentina.

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Authors and Affiliations

  1. Laboratorio de Zoología de Invertebrados I, Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur, San Juan 670, 8000, Bahía Blanca, Argentina

    Agustín G. Menechella, Verónica N. Bulnes & Néstor J. Cazzaniga

Authors
  1. Agustín G. Menechella
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  2. Verónica N. Bulnes
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  3. Néstor J. Cazzaniga
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Correspondence to Agustín G. Menechella.

Additional information

Communicated by P. Martinez Arbizu

This article is registered in ZooBank under urn:lsid:zoobank.org:pub:9E47D987-D1D3-4931-B1F1-CD652052057F

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Menechella, A.G., Bulnes, V.N. & Cazzaniga, N.J. Two new species of Batillipes (Tardigrada, Arthrotardigrada, Batillipedidae) from the Argentinean Atlantic coast, and a key to all known species. Mar Biodiv 48, 239–247 (2018). https://doi.org/10.1007/s12526-017-0640-4

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  • DOI: https://doi.org/10.1007/s12526-017-0640-4

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