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Issue: Vol. 4350 No. 2: 17 Nov. 2017
Type: Article
Published: 2017-11-17
DOI: 10.11646/zootaxa.4350.2.3
Page range: 251–283
Abstract views: 134
PDF downloaded: 2

Morphological and molecular analyses of epikarstic Parastenocarididae (Copepoda: Harpacticoida) from two Sicilian caves, with description of a new Stammericaris

Department of Sustainable Ecosystems and Bioresources, Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38010 S. Michele all’Adige (TN), Italy
Department for Innovation in Biological, Agro-food and Forest systems, Tuscia University, Largo dell’Università snc, 01100 Viterbo, Italy
Department of Biodiversity and Molecular Ecology, Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38010 S. Michele all’Adige (TN), Italy
Department of Biodiversity and Molecular Ecology, Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38010 S. Michele all’Adige (TN), Italy
Department of Sustainable Ecosystems and Bioresources, Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38010 S. Michele all’Adige (TN), Italy
Department of Biological, Geological and Environmental Sciences, Catania University, Via Androne 81, 95124 Catania, Italy
Department of Biological, Geological and Environmental Sciences, Catania University, Via Androne 81, 95124 Catania, Italy
Crustacea 18S rDNA gene COI gene crustacean evaporitic cave stygofauna

Abstract

We describe Stammericaris destillans sp. nov., and re-describe Stammericaris trinacriae (Pesce, Galassi and Cottarelli 1988) based on new material. The two species were collected from epikarstic drips and pools on the floor of two different caves: a karstic (Molara Cave) and a gypsum (Entella Cave) cave, respectively, both located in Sicily, Italy. We also report the presence of previously undescribed structures for Stammericaris amyclaea (Cottarelli 1969) and Stammericaris orcina (Chappuis 1938). Phylogenetic analyses of the mitochondrial COI and ribosomal 18S genes attributed the new species to Stammericaris Jakobi 1972, therefore the structure of the male P4 endopod of S. destillans is interpreted as an autapomorphy; other morphological features (structure of male antennule and P3, of female P3; inner ornamentation of P1 basis, armature of caudal rami and shape and armature of P5 of both sexes) correspond to those typical of the genus. Hence, we slithgly amended the generic diagnosis. [zoobank.org:pub:4CC84A0C-C511-4388-9728-41647E58097A]

 

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