Between brackets is the number of accepted extant species
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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)
- Superorder Peracarida (86)
- Order Amphipoda (58)
- Suborder Amphilochidea (12)
- Suborder Gammaridea
- Suborder Hyperiidea (1)
- Suborder Senticaudata (45)
- Infraorder Corophiida (19)
- Infraorder Gammarida (16)
- Parvorder Crangonyctidira (1)
- Parvorder Gammaridira (15)
- Superfamily Gammaroidea Latreille, 1802 (Bousfield, 1977) (15)
- Family Bathyporeiidae d'Udekem d'Acoz, 2011 (5)
- Family Gammarellidae Bousfield, 1977 (1)
- Family Gammaridae Latreille, 1802 (9)
- Genus Dikerogammarus Stebbing, 1899 (1)
- Genus Echinogammarus Stebbing, 1899 (1)
- Species Echinogammarus berilloni (Catta, 1878)
- Species Echinogammarus obtusatus (Dahl, 1938) accepted as Marinogammarus obtusatus (Dahl, 1938)
- Genus Gammarus Fabricius, 1775 (6)
- Genus Marinogammarus Schellenberg, 1937 (1)
- Infraorder Hadziida (6)
- Infraorder Talitrida (4)
- Order Cumacea (6)
- Order Isopoda (9)
- Order Mysida (11)
- Order Tanaidacea (2)
- 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