Reef Crabs Codexery

Majoidea

Last updated

The World Register of Marine Species lists eight families within Majoidea, including Epialtidae, Inachidae, and Majidae.[1] The superfamily was established by Samouelle in 1819.[2] Spider crabs and decorator crabs are both placed within the superfamily Majoidea.[3]

Scientific classification

  1. KingdomAnimalia
  2. PhylumArthropoda
  3. CladePancrustacea
  4. ClassMalacostraca
  5. OrderDecapoda
  6. SuborderPleocyemata
  7. InfraorderBrachyura

Named by Samouelle, 1819

Sources: Wikipedia taxobox: Majoidea (CC BY-SA 4.0)

Quick Facts

Largest living crab species
Japanese spider crab (Macrocheira kaempferi)

Facts from the source article.

Biology and range

Majoidea species are found in marine and freshwater environments.[2] The family Priscinachidae is known from a single fossil species, Priscinachus elongatus, from the Cenomanian of France.[4] De Grave and colleagues originally divided Majoidea into six families in a 2009 classification.[5] Later revisions elevated the subfamilies Epialtinae and Mithracinae to family rank.[5]

The family Hymenosomatidae was moved out of Majoidea into its own superfamily.[5] Majidae are referred to as "true" spider crabs.[1] The families currently recognized by the World Register of Marine Species for Majoidea are Epialtidae, Inachidae, Inachoididae, Macrocheiridae, Majidae, Mithracidae, Oregoniidae, and Priscinachidae.[1]

What the specialist sources record

The WoRMS record lists Majoidea under order Decapoda and class Malacostraca.[2] The 2009 classification by De Grave and colleagues was published in the Raffles Bulletin of Zoology.[5]

References

  1. Wikipedia, "Majoidea" (CC BY-SA 4.0) en.wikipedia.org
  2. World Register of Marine Species, Majoidea (AphiaID 106700). CC BY 4.0. marinespecies.org
  3. Wikipedia, "Majoidea" (CC BY-SA 4.0), which cites: "Spider Crabs", U.S. Fish and Wildlife Service (original not read by us) en.wikipedia.org
  4. Wikipedia, "Majoidea" (CC BY-SA 4.0), which cites: Gérard Breton, "Description of Priscinachus elongatus n. gen., n. sp., and Priscinachidae n. fam. for the earliest spider crab (Crustacea, Decapoda, Majoidea), from the French Cretaceous (Cenomanian)", Geodiversitas, 1 S (original not read by us) en.wikipedia.org
  5. Wikipedia, "Majoidea" (CC BY-SA 4.0), which cites: "A classification of living and fossil genera of decapod crustaceans", Raffles Bulletin of Zoology, 2009, p. 1–109 (original not read by us) en.wikipedia.org

Each numbered sentence above was checked against the source it cites before publication. Sentences citing Wikipedia adapt text from the English Wikipedia article Majoidea (contributors), used under CC BY-SA 4.0; this entry is available under the same licence. Other sources were used for facts only; no text or images are copied from them.

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Sources

Compiled from Wikipedia and the sources listed below. Text from Wikipedia is available under CC BY-SA 4.0; this entry is adapted from it.

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