Hemigrapsus nudus (Dana, 1851) 

Kingdom: Animalia

Subkingdom:

Infrakingdom:

Phylum: Arthropoda

Subphylum: Crustacea

Infraphylum:

Superclass: Multicrustacea

Class: Malacostraca

Subclass: Eumalacostraca

Infraclass:

Superorder: Eucarida

Order: Decapoda

Suborder: Pleocyemata

Infraorder: Brachyura

Section: Eubrachyura

Subsection: Thoracotremata

Superfamily: Grapsoidea

Family: Varunidae

Subfamily: Varuninae

Tribe:

Subtribe:

Genus: Hemigrapsus

Taxacode: DEC

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Author:  (Dana, 1851)
Type Locality:  Puget Sound, Washington, USA
Location of Type:  USNM 2331

Also Reported As: 

  • Brachynotus nudus | Synonym
  • Hemigrapsis nudis | Misspelling
  • Heterograpsus nudus | Synonym
  • Pseudograpsus nudus | Synonym

Common Name(s): 

  • beach crab
  • purple shore crab
  • purple beach crab
  • purple rock crab