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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Species
  • Cystophora cristata (Erxleben, 1777)
Inventaire National du Patrimoine Naturel Species
  • Cystophora cristata (Erxleben, 1777)
Animal Diversity Web Descriptions
  • Cystophora cristata
AquaMaps Resource
  • Cystophora cristata
Arctic Ocean Biodiversity 2011
  • Cystophora cristata
BOLDS images II Species
  • Cystophora cristata
BOLDS resource for species-level taxa
  • Cystophora cristata
DiscoverLife ID keys resource
  • Cystophora cristata
DiscoverLife map resource
  • Cystophora cristata
Dutch Marine and Coastal Species Encyclopedia
  • Cystophora cristata
Environments
  • Cystophora cristata (Erxleben, 1777)
Freshwater and Marine Image Bank, University Libraries, U Washington
  • Cystophora cristata
Global Biotic Interactions Species
  • Cystophora cristata
IUCN Red List
  • Cystophora cristata (Erxleben, 1777)
IUCN Red List
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  • Cystophora cristata
BioLib.cz Import
  • Cystophora cristata Erxleben 1777
Integrated Taxonomic Information System (ITIS)
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Species
  • Cystophora cristata (Erxleben, 1777)
Anage Data
  • Cystophora cristata
Inventaire National du Patrimoine Naturel Species
  • Phoca cristata Erxleben, 1777
Life History Characteristics of Placental Non-Volant Mammals Species
  • Cystophora cristata
Mammal life history
  • Cystophora cristata
Milk Chemical Data Species
  • Cystophora cristata
NCBI Taxonomy
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Species
  • Cystophora cristata
NatureServe resource Species
  • Cystophora cristata (Erxleben, 1777)
North American Mammals Resource
  • Cystophora cristata
OBIS Environmental Information
  • Cystophora cristata (Erxleben, 1777)
OBIS depth range resource
  • Cystophora cristata
Paleobiology Database
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Species
  • Cystophora cristata (Erxleben 1779)
AnAge database
  • Cystophora cristata
IUCN Structured Data
  • Cystophora cristata (Erxleben, 1777)
TaxonConcept.org outlinks
  • Cystophora cristata
World Register of Marine Species (WoRMS)
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Species
  • Cystophora cristata (Erxleben, 1777)
Wikimedia Commons
  • Cystophora cristata (Erxleben, 1777)
Wikipedia
  • Cystophora cristata (Erxleben, 1777)

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