Arachnida (arachnids) (63,436)   (8)   (4)
Branchiopoda (branchiopods) (613)   (16)   (4)
Cephalocarida (12)
Chilopoda (centipedes) (3,137)   (1)
Diplopoda (millipedes) (12,129)   (7)   (1)
Entognatha (2,838)
Insecta (insects) (722,140)   (289)   (70)
Malacostraca (crabs, krill, pill bugs, shrimp, and relatives) (28,194)   (164)   (11)
Maxillopoda (5,239)   (3)
Merostomata (horseshoe crabs) (4)
Ostracoda (ostracods) (1,718)   (1)
Pauropoda (pauropods, pauropodans, and progoneates) (415)
Pycnogonida (sea spiders) (1,264)
Remipedia (24)
Symphyla (garden centipedes) (75)

(...) = Species count
(...) = Endangered count
(...) = Invasive count