Batillipes (Tardigrada, Arthrotardigrada) from the Portuguese coast with the description of two new species and a new dichotomous key for all species

  • Erika Santos Department of Biology, Faculty of Sciences, University of Porto, Rua Campo Alegre, 4169–007, Porto
  • Marcos Rubal CIIMAR / CIMAR, Laboratory of Coastal Biodiversity, Centre of Marine and Environmental Research, Terminal de cruzeiros do Porto de Leixões, Avenida General Norton de Matos S/N, 4450–208 Matosinhos
  • Puri Veiga CIIMAR / CIMAR, Laboratory of Coastal Biodiversity, Centre of Marine and Environmental Research, Terminal de cruzeiros do Porto de Leixões, Avenida General Norton de Matos S/N, 4450–208 Matosinhos
  • Clélia M. C. da Rocha Departamento de Biologia, Universidade Federal Rural de Pernambuco, Av. Manoel de Medeiros, S/N, Dois Irmãos, Recife, PE
  • Paulo Fontoura Department of Biology, Faculty of Sciences, University of Porto, Rua Campo Alegre, 4169–007, Porto
DOI: https://doi.org/10.5852/ejt.2018.425
Keywords: Atlantic Ocean, Batillipes algharbensis sp. nov., Batillipes lusitanus sp. nov., meiofauna, toe pattern

Abstract

Five species of Batillipes Richters, 1909 were collected from subtidal sediments of the Portuguese coast. Two of them, B. algharbensis sp. nov. and B. lusitanus sp. nov., are new to science. Batillipes algharbensis sp. nov. differs from all the other Batillipes species in having the middle toes 3 on the fourth feet longer than middle toes 4 and by the presence of rounded lateral body projections between legs III and IV. Batillipes lusitanus sp. nov. has the middle toes of the fourth feet equal in length, but it exhibits a dorsal cuticular ornamentation, constituted by large pillars, similar to the cuticle of B. adriaticus Grimaldi de Zio, Morone De Lucia, D’Addabbo Gallo & Grimaldi, 1979 and B. roscoffensis Kristensen, 1978. However, contrary to B. adriaticus, the caudal apparatus of B. lusitanus sp. nov. is a roundish cuticular expansion and B. roscoffensis lacks caudal apparatus. Batillipes adriaticus and B. phreaticus Renaud-Debyser, 1959 are new records for Portugal. Based on the examination of specimens of B. phreaticus collected at the Portuguese coast and their comparison with type material of this species and also of B. littoralis Renaud-Debyser, 1959, the toe arrangement patterns in species of Batillipes are clarified and a new identification key to species of this genus is provided.

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Published
2018-04-12
How to Cite
Santos, E., Rubal, M., Veiga, P., da Rocha, C. M. C., & Fontoura, P. (2018). Batillipes (Tardigrada, Arthrotardigrada) from the Portuguese coast with the description of two new species and a new dichotomous key for all species. European Journal of Taxonomy, (425). https://doi.org/10.5852/ejt.2018.425
Issue
No. 425 (2018): Batillipes (Tardigrada, Arthrotardigrada) from the Portuguese coast with the description of two new species and a new dichotomous key for all species
Section
Zoology
Copyright (c) 2018 Erika Santos, Marcos Rubal, Puri Veiga, Clélia M. C. da Rocha, Paulo Fontoura

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