Checklist for Subfamily Micromaiinae Beurlen, 1930 and region Paleogene (Cenozoic)
Class | Malacostraca Latreille, 1802 Higher Crustaceans, Malacostracans | 92 263 505 | Families Genera Species | Taxom | Subclass | Eumalacostraca Grobben, 1892
| 91 262 504 | Families Genera Species | Taxom | Superorder | Eucarida Calman, 1904
| 78 246 489 | Families Genera Species | Taxom | Order | Decapoda Latreille, 1802 Crabs, Crayfishes, Decapod, Decapods, Lobsters, Prawns | 78 246 489 | Families Genera Species | Taxom | Suborder | Pleocyemata Burkenroad, 1963
| 76 240 480 | Families Genera Species | Taxom | Infraorder | Brachyura Linnaeus, 1758 Crabs, Short-tailed crabs, True crabs | 53 175 327 | Families Genera Species | Taxom | Section | Eubrachyura de Saint Laurent, 1980
| 45 150 269 | Families Genera Species | Taxom | Subsection | Heterotremata Guinot, 1977
| 42 144 263 | Families Genera Species | Taxom | Superfamily | Majoidea Samouelle, 1819 Spider crabs | 4 10 17 | Families Genera Species | Taxom | | Family | Majidae Samouelle, 1819 Spider crab, Spider crabs | 7 14 | Genera Species | Taxom | | Subfamily | Micromaiinae ♰ Beurlen, 1930
| 1 6 | Genus Species | Taxom |
Genera for Paleogene 1 Genera with 6 Species
Species list for Paleogene 6 Species
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