Characterisation of an Iberian population of Rhyssocolpus iuventutis Andrássy, 1971 (Dorylaimida: Nordiidae), with a revised taxonomy of the genus

Characterisation of an Iberian population of Rhyssocolpus iuventutis Andrássy, 1971... The identity and evolutionary relationships of the genus Rhyssocolpus are analysed and discussed using an integrative approach including morphological data and partial SSU-rDNA sequences. An Iberian population of R. iuventutis is characterised in detail, providing the first SEM observations of the genus. New sequences of the genera Enchodelus and Rhyssocolpus are provided for comparative purposes. Both morphological and molecular evidence support a separate status for the aforementioned two genera and Heterodorus , of which the latter and Rhyssocolpus shared a recent common ancestor, whereas Enchodelus did not, as had been traditionally assumed, occupy a close position. The Nordiidae is confirmed to be an artificial taxon. The taxonomy of Rhyssocolpus is revised and an emended diagnosis, updated list of species, key to their identification and compendium of their morphometrics are provided. Some nomenclatorial changes are also proposed: R. alleni and R. paradoxus are retained under Eudorylaimus , their original genus, whereas R. brasiliensis is transferred to Eudorylaimus as E. brasiliensis (Meyl, 1956) comb. n. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nematology Brill

Characterisation of an Iberian population of Rhyssocolpus iuventutis Andrássy, 1971 (Dorylaimida: Nordiidae), with a revised taxonomy of the genus

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Publisher
Brill
Copyright
Copyright 2015 by Koninklijke Brill NV, Leiden, The Netherlands.
Subject
Articles
ISSN
1388-5545
eISSN
1568-5411
D.O.I.
10.1163/15685411-00002857
Publisher site
See Article on Publisher Site

Abstract

The identity and evolutionary relationships of the genus Rhyssocolpus are analysed and discussed using an integrative approach including morphological data and partial SSU-rDNA sequences. An Iberian population of R. iuventutis is characterised in detail, providing the first SEM observations of the genus. New sequences of the genera Enchodelus and Rhyssocolpus are provided for comparative purposes. Both morphological and molecular evidence support a separate status for the aforementioned two genera and Heterodorus , of which the latter and Rhyssocolpus shared a recent common ancestor, whereas Enchodelus did not, as had been traditionally assumed, occupy a close position. The Nordiidae is confirmed to be an artificial taxon. The taxonomy of Rhyssocolpus is revised and an emended diagnosis, updated list of species, key to their identification and compendium of their morphometrics are provided. Some nomenclatorial changes are also proposed: R. alleni and R. paradoxus are retained under Eudorylaimus , their original genus, whereas R. brasiliensis is transferred to Eudorylaimus as E. brasiliensis (Meyl, 1956) comb. n.

Journal

NematologyBrill

Published: Jan 1, 2015

Keywords: description; Enchodelus ; Eudorylaimus ; Eudorylaimus brasiliensis comb. n.; Heterodorus ; morphology; morphometrics; new combination; phylogeny; Rhyssocolpus brasiliensis ; SEM; SSU-rDNA

References

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