Direction 30: Determination of the gender to be attributed to the names of fifty-seven genera of fishes, Cyclostomes, reptiles, and Amphibia placed on the "Official list of generic names in zoology" in the period up to the end of 1936
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Direction 30: Determination of the gender to be attributed to the names of fifty-seven genera of fishes, Cyclostomes, reptiles, and Amphibia placed on the "Official list of generic names in zoology" in the period up to the end of 1936
International Commission on Zoological Nomenclature