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Article: Ecology, palaeontology and taxonomy of Echinocythereis Puri, 1954 (Crustacea: Ostracoda) with a focus on the North Atlantic species

Papers in Palaeontology - Vol. 1 Part 3 - Cover Image
Publication: Palaeontology
Volume: 1
Part: 3
Publication Date: August 2015
Page(s): 319 343
Author(s): Simone N. Brandão and Ivana Karanovic
DOI: 10.1002/spp2.1018
Addition Information

How to Cite

BRANDÃO, S.N. and KARANOVIC, I. 2015. Ecology, palaeontology and taxonomy of Echinocythereis Puri, 1954 (Crustacea: Ostracoda) with a focus on the North Atlantic species. Papers in Palaeontology, 1, 3, 319–343. doi: 10.1002/spp2.1018

Author Information

  • Simone N. Brandão - Laboratório de Geologia e Geofísica Marinha e Monitoramento Ambiental – GGEMMA, Departamento de Geologia, Programa de Pós-Graduação em Geodinâmica e Geofísica, Universidade Federal do Rio Grande do Norte (UFRN), Campus Universitário Lagoa Nova s/n, Natal, RN, Brazil (email: brandao.sn@gmail.com)
  • Simone N. Brandão - Zoological Museum, University of Hamburg, Hamburg, Germany
  • Simone N. Brandão - German Centre for Marine Biodiversity Research (DZMB), Senckenberg Research Institute, Hamburg, Germany
  • Ivana Karanovic - Department of Life Science, College of Natural Science, Hanyang University, Seoul, South Korea (email: ivana@hanyang.ac.kr)
  • Ivana Karanovic - Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, Tasmania, Australia

Publication History

  • Issue published online: 10 AUG 2015
  • Article first published online: 26 JUN 2015
  • Manuscript Accepted: 5 MAY 2015
  • Manuscript Received: 13 JAN 2015

Funded By

CNPq. Grant Number: 374397/2013-9
Alexander von Humboldt Foundation
CNPq 442550/2014-6 and 400116/2013-8
BK 21+ grant
Encyclopedia of Life, the Hansische Universitäts-Stiftung and the SYNTHESYS Project
European Community Research Infrastructure Action under the FP7 Integrating Activities Programme

Online Version Hosted By

Wiley Online Library
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Abstract

The common ostracod genus Echinocythereis has a worldwide and eurybathic distribution, but in Recent sediments, it is more common in cold waters. Its oldest record, dating from the Cretaceous, indicates that the genus should be very useful in stratigraphical and palaeoecological studies, but the taxonomy of Echinocythereis is very complex and includes misinterpretations and misidentifications. Here, we provide an overview of the geographical and stratigraphical distribution of Echinocythereis and clarify the taxonomic status of its type species, Echinocythereis garretti (Howe and McGuirt in Howe et al., 1935) which (contrary to other authors) we consider to be a valid species. Finally, we revise the geographical and stratigraphical distributions and the taxonomy of one ‘species complex’, which is very common and abundant in the North Atlantic, and has also been recorded from the Pacific and Southern oceans. This species complex has been interpreted as a single species in virtually all publications on North Atlantic ostracods, where Echinocythereis has been identified. The complex includes Echinocythereis echinata (Sars, 1866), Echinocythereis irpex (Brady, 1880) and, the new species described herein, Echinocythereis jorunbrix sp. nov. To aid in subsequent fast and accurate identification of living specimens, we also provide three mitochondrial COI gene fragments of the new species, which represent the first barcodes for the entire Trachyleberididae family. Our study of both shell and soft parts of these three very similar Echinocythereis species indicates that fine details of the shell have a strong phylogenetic signal, but that these can only be properly understood through very careful study of comparative material and with the aid of high magnification microscopy, such as SEM.

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