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
Integrated Taxonomic Information System (ITIS)
view in classification
Class
AquaMaps Resource Class
BOLDS resource for higher-level taxa
BOLDS resource for higher-level taxa
BOLDS images II Class
BOLDS resource for species-level taxa Class
BioImages resource Class
EOL Group on Flickr Class
EOL hotlist Scratchpad Class
  • Scaphopoda
Environments
IRMNG
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Class
Fairbairn, 2013 Class
  • Scaphopoda
Global Biotic Interactions Class
BioLib.cz Import
BioLib.cz Import Class
Appeltans et al, 2012
Inventaire National du Patrimoine Naturel Class
MCZ resource Class
NCBI Taxonomy
view in classification
Class
NMNH Invertebrate Zoology resource Class
NatureServe resource Class
OBIS depth range resource Class
Ocean Genome Resource- genomic DNA available Class
Paleobiology Database
view in classification
Class
SERPENT resource Class
SPIRE resource
  • Scaphopoda
Sloan-CoML NameLink Project
  • Scaphopoda
Animal Diversity Web Descriptions
World Register of Marine Species (WoRMS)
view in classification
Class
Wikimedia Commons
Wikimedia Commons 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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