International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS

taxa names:

Ix

Ixa Leach 1815, Trans. linn. Soc. London, 11(2): 334 (gender: feminine) (type species, by monotypy: Cancer cylindrus Fabricius 1777, Gen. Ins.: 248) (Crustacea, Decapoda). Opinion 73

Ixodes Latreille 1795, Mag. encyclop., 4: 18 (gender: masculine) (type species, by monotypy: Acarus reduvius Linnaeus 1758, Systema Naturae, Ed. 10, vol. 1, p. 615, valid name: Acarus ricinus Linnaeus 1758) (Arachnida). Direction 110