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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Class
MCZ resource Class
Animal Diversity Web Descriptions
Animal Diversity Web Descriptions Class
AskNature Class
BOLDS resource for higher-level taxa
BOLDS resource for higher-level taxa
BOLDS images II Class
BOLDS resource for species-level taxa Class
EOL hotlist Scratchpad Class
  • Hexactinellida
Environments Class
Fairbairn, 2013 Class
  • Hexactinellida
Global Biotic Interactions Class
BioLib.cz Import Class
BioLib.cz Import
Integrated Taxonomic Information System (ITIS)
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Class
Inventaire National du Patrimoine Naturel Class
Anage Data Class
NCBI Taxonomy
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Class
NMNH Invertebrate Zoology resource Class
Natural History Museum Species of the day Class
OBIS depth range resource Class
Paleobiology Database
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Class
SERPENT resource Class
SERPENT resource
Sloan-CoML NameLink Project
  • Hexactinellida
AnAge database Class
Taxonomic Hierarchy of COL-China 2012
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Class
Tree of Life web project
  • Hexactinellida
World Register of Marine Species (WoRMS)
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Class
Wikimedia Commons
Wikimedia Commons Class
Wikipedia Class
Wikipedia Class

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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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