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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Mammal life history
Arctic mammals
BOLDS images II Species
BOLDS resource for species-level taxa
DiscoverLife map resource
  • Eubalaena japonica
EOL Group on Flickr
  • Balaena japonica
  • Eubalaena japonica (Lacépède, 1818)
Genome 10K Project Vertebrates
  • Eubalaena japonica
Global Biotic Interactions Species
IUCN Red List
view in classification Import
Integrated Taxonomic Information System (ITIS)
view in classification
AquaMaps Resource
Taxonomic Hierarchy of COL-China 2012 Mammalia
Mammals Resource
NCBI Taxonomy
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NatureServe resource Species
North American Mammals Resource
OBIS Environmental Information
  • Eubalaena japonica (Lacepède, 1818)
OBIS depth range resource
Social systems of mammalian species-to be deleted- Species
Social systems of mammals Species
  • Eubalaena japonica
Animal Diversity Web Descriptions
IUCN Structured Data outlinks
Taxonomic Hierarchy of COL-China 2012
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Wikimedia Commons


EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

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