Ichnopus, Genus
Idotea, Genus
Idoteidae, Familia
Ilyarachna, Genus
Ilyarachnidae, Familia
Inachus, Genus
Ione, Genus
Iphimedia, Genus
Iphimediidae, Familia
Iphinoe, Genus
Isaea, Genus
Isaeidae, Familia
Ischnosoma, Genus
Ischyroceridae, Familia
Ischyrocerus, Genus
Isocyamus, Genus
Isopoda, Ordo