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.

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Preferred marks the preferred classification for this taxon.

Recognized By Rank Classification
Species 2000 & ITIS Catalogue of Life: April 2013
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Family
Number of pages in BHL Family
  • Holothuriidae
BOLDS resource for higher-level taxa
BOLDS resource for higher-level taxa
BOLDS images II Family
BOLDS resource for species-level taxa Family
Number of DNA and specimen records in GGBN Family
  • Holothuriidae
EOL Group on Flickr Family
EOL Metrics Family
  • Holothuriidae
Encyclopedia of Marine Life of Britain and Ireland Resource Family
Environments Family
Environments Family
IABIN resource Family
IUCN Red List Family
BioLib.cz Import Family
BioLib.cz Import
Integrated Taxonomic Information System (ITIS)
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Family
MCZ resource Family
MarLIN resource Family
Morphbank Resource Family
NCBI Taxonomy
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Family
NMNH Invertebrate Zoology resource Family
AskNature Family
Number of records in GBIF Family
  • Holothuriidae
Number of sequences in GenBank Family
  • Holothuriidae
Number of specimens with sequence in BOLDS Family
  • Holothuriidae
OBIS Environmental Information
  • Holothuriidae Ludwig, 1894
OBIS depth range resource Family
Ocean Genome Resource- genomic DNA available Family
Paleo DB Families
  • Holothuriidae
Paleobiology Database
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Family
AquaMaps Resource Family
IUCN Structured Data Family
Taxonomic Hierarchy of COL-China 2012
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Family
Undersea Production test 2 Family
World Register of Marine Species (WoRMS)
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Family
Wikimedia Commons
Wikimedia Commons Family
Wikimedia Commons Genus
Wikipedia Family
Wikipedia Family
Wikipedia Family
Wikipedia
iNaturalist Images Family

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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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