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Antarctic Amphipoda

Latest version published by SCAR - AntOBIS on Jul 25, 2018 SCAR - AntOBIS

In Antarctic waters, the superfamily Lysianassoidea is one of the most important amphipod groups both in terms of species number and abundance. Dominant members of this superfamily are species of the orchomenid complex, found throughout the Southern Ocean. This study presents the first molecular phylogenetic analysis based on a representative subset of the Antarctic species belonging to different orchomenid genera and hence provides a framework for a systematic revision of these taxa. The current classification of the orchomenid genera is mainly based on mouthpart morphology. The validity of these morphological characters was assessed by resolving phylogenetic relationships using nuclear 28S rRNA and mitochondrial cytochrome oxidase subunit I sequences. The molecular data rejected most of the previously proposed taxonomic subdivisions within this complex. The genera Abyssorchomene and Orchomenella as well as the subgenus Orchomenopsis appeared to be non-monophyletic. This implies that the supposed diagnostic characters are likely a result of convergent evolution. Further, our results indicated the necessity of a revision of the family-level systematics.

Data Records

The data in this occurrence resource has been published as a Darwin Core Archive (DwC-A), which is a standardized format for sharing biodiversity data as a set of one or more data tables. The core data table contains 165 records.

This IPT archives the data and thus serves as the data repository. The data and resource metadata are available for download in the downloads section. The versions table lists other versions of the resource that have been made publicly available and allows tracking changes made to the resource over time.

Downloads

Download the latest version of this resource data as a Darwin Core Archive (DwC-A) or the resource metadata as EML or RTF:

Data as a DwC-A file download 165 records in English (8 KB) - Update frequency: unknown
Metadata as an EML file download in English (6 KB)
Metadata as an RTF file download in English (8 KB)

Versions

The table below shows only published versions of the resource that are publicly accessible.

How to cite

Researchers should cite this work as follows:

Havermans et al (2010) Molecular Phylogenetics and Evolution 55 (2010) 202–209 lysianassoids

Rights

Researchers should respect the following rights statement:

The publisher and rights holder of this work is SCAR - AntOBIS. This work is licensed under a Creative Commons Attribution (CC-BY) 4.0 License.

GBIF Registration

This resource has been registered with GBIF, and assigned the following GBIF UUID: 7b9545bc-f762-11e1-a439-00145eb45e9a.  SCAR - AntOBIS publishes this resource, and is itself registered in GBIF as a data publisher endorsed by Ocean Biogeographic Information System.

Keywords

Occurrence

External data

The resource data is also available in other formats

Online datasethttp://www.iobis.org/mapper/?dataset=1982 UTF-8 Plain Text
Metadatahttp://www.vliz.be/imis/imis.php?module=dataset&dasid=2437 UTF-8 XML

Contacts

Who created the resource:

Rachel Grant

Who can answer questions about the resource:

Rachel Grant

Who filled in the metadata:

Anton Van de Putte
Antarctic Biodiversity Information Facility (ANTABIF)
http://data.biodiversity.aq

Geographic Coverage

PS, Southern Ocean

Bounding Coordinates South West [-90, -180], North East [90, 180]

Taxonomic Coverage

urn:lsid:marinespecies.org:taxname:1135

Order  Amphipoda [amphipods]

Temporal Coverage

Start Date 2010-05-12

Additional Metadata

marine, harvested by iOBIS

Alternative Identifiers 7b9545bc-f762-11e1-a439-00145eb45e9a
http://ipt.biodiversity.aq/resource?r=antarctic_aphipoda