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Checklist for Superfamily Majoidea Samouelle, 1819 (Spider crabs)
and region Blakely Island (San Juan Islands, San Juan County, Washington, USA)


Class
 
Malacostraca
Latreille, 1802
Higher Crustaceans, Malacostracans
10
21
33
Families
Genera
Species
 
Taxom
 

Subclass
 
Eumalacostraca
Grobben, 1892
10
21
33
Families
Genera
Species
 
Taxom
 

Superorder
 
Eucarida
Calman, 1904
9
20
33
Families
Genera
Species
 
Taxom
 

Order
 
Decapoda
Latreille, 1802
Crabs, Crayfishes, Decapod, Decapods, Lobsters, Prawns
9
20
33
Families
Genera
Species
 
Taxom
 

Suborder
 
Pleocyemata
Burkenroad, 1963
9
20
33
Families
Genera
Species
 
Taxom
 

Infraorder
 
Brachyura
Linnaeus, 1758
Crabs, Short-tailed crabs, True crabs
3
7
7
Families
Genera
Species
 
Taxom
 

Section
 
Eubrachyura
de Saint Laurent, 1980
3
7
7
Families
Genera
Species
 
Taxom
 

Subsection
 
Heterotremata
Guinot, 1977
3
7
7
Families
Genera
Species
 
Taxom
 

Superfamily
 
Majoidea
Samouelle, 1819
Spider crabs
2
5
5
Families
Genera
Species
 
Taxom
 


List of families for Blakely Island
2 Families width 5 Species
Oregoniidae Garth, 19583SpeciesTaxom
Epialtidae MacLeay, 1838Kelp Crabs2SpeciesTaxom


Genera for Blakely Island
5 Genera with 5 Species
Chionoecetes Krøyer, 1924Snow crab1SpeciesTaxom
Hyas Leach, 18511SpeciesTaxom
Oregonia Dana, 18511SpeciesTaxom
Pugettia Dana, 18511SpeciesTaxom
Scyra Dana, 18521SpeciesTaxom


Species list for Blakely Island
5 Species
Chionoecetes bairdi Rathbun, 1924Bairdi
Hyas lyratus Dana, 1851Lyre Crab
Oregonia gracilis Dana, 1851Graceful decorator crab
Pugettia gracilis Dana, 1851Graceful kelp crab
Scyra acutifrons Dana, 1852Sharp-nosed Crab

Subnodes of Majoidea with occurrences in Blakely Island
FamilyEpialtidae
MacLeay, 1838
Kelp Crabs
2
2
Genera
Species

Taxom

FamilyOregoniidae
Garth, 1958
3
3
Genera
Species

Taxom



Links, sources and further information
Majoidea at artfakta.se
Majoidea at biodiversity.org.au
Majoidea at dyntaxa.se
Majoidea at itis.gov
Majoidea at marinespecies.org