International Commission on Zoological Nomenclature:
OPINIONS and DIRECTIONS
Zy
Zygops Schönherr 1825, Isis (von Oken), 1825: col. 586 (gender: masculine) (type species, by original designation: Poecilma wiedii Germar 1824) (Insecta, Coleoptera). Opinion 1450
zymna Westwood, [1851] [originally in Pentila], in Doubleday, Gen. diurn. Lep. (2): pl. 76, fig. 6 (Insecta, Lepidoptera). Opinion 566
Zyngnis Oken 1816, Lehrb. Naturgesch., 3: 284 (included in a work rejected for nomenclatural purposes). Opnion 651
Zyras Stephens 1835, Ill. Brit. Entomol. (Mand.), 5: 430 (gender: masculine) (type species, by monotypy: Aleochara haworthi Stephens 1832, Ill. Brit. Entomol. (Mand.), 5: 126) (Insecta, Coleoptera). Opinion 599
Zyrus Cameron 1939, Fauna Brit. India, Coleopt. Staph., 4(2): 688 (an incorrect subsequent spelling for Zyras Stephens 1835). Opinion 599