A new species of Parapinnanema (Nematoda, Chromadoridae) from Dr Theodor Mortensen’s Pacific Expedition 1914–16 with an identification key to the genus

FEDERICA SEMPRUCCI; MARTIN V. SØRENSEN

doi:10.11646/zootaxa.3881.6.1

Issue: Vol. 3881 No. 6: 10 Nov. 2014

Type: Article

Published: 2014-11-10

DOI: 10.11646/zootaxa.3881.6.1

Page range: 501–512

Abstract views: 22

PDF downloaded: 1

**A new species of Parapinnanema (Nematoda, Chromadoridae) from Dr Theodor Mortensen’s Pacific Expedition 1914–16 with an identification key to the genus**

FEDERICA SEMPRUCCI⁺⁻
MARTIN V. SØRENSEN⁺⁻

Dipartimento di Scienze della Terra, della Vita e dell'Ambiente (DiSTeVA), Università di Urbino, loc. Crocicchia, 61029 Urbino, Italy.

Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen K, Denmark.

Chromadorida Euchromadorinae Hawaii taxonomy marine nematodes

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Abstract

A new species from the family Chromadoridae is described from samples collected during Dr Mortensen’s Pacific Expedition 1914–16 to Honolulu, Hawaii. Parapinnanema hawaiiensis sp. nov. is characterized by a low c’ ratio and especially by a peculiar complex morphology of the median part of the gubernaculum. An updated and modified key to all the valid species of Parapinnanema is proposed.