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International Commission on Zoological Nomenclature (IZCN). (1957). Opinion 478. Validation under the plenary powers of the generic name "Polycitor" [Renier], [1804], and of the specific name "crystallinus" [Renier], [1804], as used by the foregoing author in the combination "Polycitor crystallinus" (class Urochordata) ("Opinion" supplementary to "Opinion" 427). Opinions and Declarations Rendered by the International Commission on Zoological Nomenclature. 16(21): 353–364.
International Commission on Zoological Nomenclature (IZCN). (1957). Opinion 478. Validation under the plenary powers of the generic name "Polycitor" [Renier], [1804], and of the specific name "crystallinus" [Renier], [1804], as used by the foregoing author in the combination "Polycitor crystallinus" (class Urochordata) ("Opinion" supplementary to "Opinion" 427). Opinions and Declarations Rendered by the International Commission on Zoological Nomenclature. 16(21): 353–364.
