Scientists aim to describe a single 'tree of life' that reflects the evolutionary relationships of living things. However, evolutionary relationships are a matter of ongoing discovery, and there are different opinions about how living things should be grouped and named. EOL reflects these differences by supporting several different scientific 'classifications'. Some species have been named more than once. Such duplicates are listed under synonyms. EOL also provides support for common names which may vary across regions as well as languages.

Preferred marks the preferred classification for this taxon.

Recognized By Rank Classification
Species 2000 & ITIS Catalogue of Life: April 2013
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Nomenclator Zoologicus
  • Arthropodaria Ehlers 1890
BOLDS images II Genus
Global Biotic Interactions Genus Import Genus Import
Integrated Taxonomic Information System (ITIS)
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NCBI Taxonomy
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NatureServe resource Genus
BOLDS resource for higher-level taxa
OBIS Environmental Information
  • Barentsia Hincks, 1880
OBIS depth range resource Genus
Paleobiology Database
view in classification
Smithsonian type specimen data Genus
AntIZ taxon descriptions
  • Barentsia
Taxonomic Hierarchy of COL-China 2012
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Wikimedia Commons Genus
Wikimedia Commons
Woods Hole Species Genus


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