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
view in classification
NCBI Taxonomy
view in classification
BOLDS images II Genus
BOLDS resource for species-level taxa Genus
EOL Group on Flickr Genus
Encyclopedia of Marine Life of Britain and Ireland Resource Genus
Global Biotic Interactions Genus
Global Biotic Interactions Genus
IUCN Red List Genus Import Import Genus
Integrated Taxonomic Information System (ITIS)
view in classification
MarLIN resource Genus
BOLDS resource for higher-level taxa
NMNH Invertebrate Zoology resource Genus
OBIS Environmental Information
  • Nephrops Leach, 1814
OBIS depth range resource Genus
Paleobiology Database
view in classification
SERPENT resource
Sloan-CoML NameLink Project
  • Nephrops
Smithsonian type specimen data Genus
Smithsonian type specimen data Genus
Smithsonian type specimen data
AquaMaps Resource Genus
Wikimedia Commons Genus
Wikipedia Genus


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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