Between brackets is the number of accepted extant species
Click on "-" to collapse/hide all child taxa
Shows the number of accepted extant species within the taxon
The last expanded taxon is highlighted
Click on "+" to expand/show all child taxa
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- Biota (879)
- Kingdom Animalia (681)
- Phylum Annelida (119)
- Phylum Arthropoda (168)
- Subphylum Chelicerata (6)
- Subphylum Crustacea (162)
- Superclass Allotriocarida (28)
- Superclass Multicrustacea (134)
- Class Copepoda (16)
- Class Hexanauplia accepted as Thecostraca
- Class Malacostraca (113)
- Subclass Eumalacostraca (113)
- Superorder Eucarida (27)
- Order Decapoda (27)
- Suborder Pleocyemata (27)
- Infraorder Anomura (2)
- Infraorder Brachyura (15)
- Section Eubrachyura (15)
- Subsection Heterotremata (11)
- Subsection Thoracotremata (4)
- Superfamily Grapsoidea MacLeay, 1838 (4)
- Family Varunidae H. Milne Edwards, 1853 (4)
- Subfamily Varuninae H. Milne Edwards, 1853 (4)
- Genus Eriocheir De Haan, 1835 (1)
- Genus Hemigrapsus Dana, 1851 (3)
- Species Hemigrapsus penicillatus (De Haan, 1835)
- Species Hemigrapsus sanguineus (De Haan, 1835)
- Species Hemigrapsus takanoi Asakura & Watanabe, 2005
- Infraorder Caridea (10)
- Superorder Peracarida (86)
- Class Thecostraca (5)
- Phylum Bryozoa (3)
- Phylum Chaetognatha (2)
- Phylum Chordata (276)
- Phylum Cnidaria (5)
- Phylum Ctenophora (3)
- Phylum Echinodermata (7)
- Phylum Kinorhyncha (2)
- Phylum Mollusca (70)
- Phylum Nematoda (1)
- Phylum Platyhelminthes (1)
- Phylum Porifera (2)
- Phylum Rotifera (22)
- Kingdom Bacteria (5)
- Kingdom Chromista (179)
- Kingdom Plantae (14)
- Kingdom Protozoa