Opinion 542 Designation under the Plenary Powers of a type species in harmony with accustomed usage for the nominal genus CephalomutiUa Andre, (1908) (Class Insecta, Order Hymenoptera)
Published in Opinions and declarations rendered by the International Commission on Zoological Nomenclature, in 1959, in volume 20, issue 9, pages 103-110
Date published:1959-02-21