Checklist for Superfamily Majoidea Samouelle, 1819 (Spider crabs) and region America (Continents)
Class | Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 550 3975 18550 | Families Genera Species | Taxom | Subclass | Eumalacostraca Grobben, 1892
| 537 3949 18475 | Families Genera Species | Taxom | Superorder | Eucarida Calman, 1904
| 208 1695 9054 | Families Genera Species | Taxom | Order | Decapoda Latreille, 1802 Crabs, Crayfishes, Decapod, Decapods, Lobsters, Prawns | 205 1681 8960 | Families Genera Species | Taxom | Suborder | Pleocyemata Burkenroad, 1963
| 191 1597 8581 | Families Genera Species | Taxom | Infraorder | Brachyura Linnaeus, 1758 Crabs, Short-tailed crabs, True crabs | 108 971 3858 | Families Genera Species | Taxom | Section | Eubrachyura de Saint Laurent, 1980
| 90 866 3579 | Families Genera Species | Taxom | Subsection | Heterotremata Guinot, 1977
| 71 720 2856 | Families Genera Species | Taxom | Superfamily | Majoidea Samouelle, 1819 Spider crabs | 9 154 571 | Families Genera Species | Taxom |
List of families for America 9 Families width 571 Species and 12 Subspecies
Subnodes of Majoidea with occurrences in America | Family | Epialtidae MacLeay, 1838 Kelp Crabs | 64 198 | Genera Species | Taxom
| | Family | Eurypodiidae MacLeay, 1838
| 1 3 | Genus Species | Taxom
| | Family | Inachidae MacLeay, 1838
| 23 83 | Genera Species | Taxom
| | Family | Inachoididae Dana, 1851
| 11 51 | Genera Species | Taxom
| | Family | Macrocheiridae Dana, 1851
| 1 2 | Genus Species | Taxom
| | Family | Majidae Samouelle, 1819 spider crab, Spider crabs | 31 103 | Genera Species | Taxom
| | Family | Mithracidae Balss, 1929
| 18 100 | Genera Species | Taxom
| | Family | Oregoniidae Garth, 1958
| 4 19 | Genera Species | Taxom
| | Family | Tychidae Dana, 1851 Urn crabs | 1 12 | Genus Species | Taxom
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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
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