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International Commission on Zoological Nomenclature

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Opinion 2434: Chionobas chryxus Doubleday, 1849 (currently Oeneis chryxus; Insecta, Lepidoptera, Nymphalidae): conservation of usage by designation of a neotype not granted

ICZN, “Opinion 2434: Chionobas chryxus Doubleday, 1849 (currently Oeneis chryxus; Insecta, Lepidoptera, Nymphalidae): conservation of usage by designation of a neotype not granted”, Bulletin of Zoological Nomenclature, vol. 76, pp. , 2019.

The International Commission on Zoological Nomenclature has declined to use its plenary power to set aside the existing lectotype of Chionobas chryxus Doubleday, 1849 and to designate a neotype. However, the International Commission on Zoological Nomenclature has used its specific powers to confirm that the name-bearing type....

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Opinion 2501: Opinion 2501 (Case 3501) – Acarus putrescentiae Schrank, 1781 (currently Tyrophagus putrescentiae; Acariformes, ACARIDAE): usage conserved by designation of a neotype

“Opinion 2501: Opinion 2501 (Case 3501) – Acarus putrescentiae Schrank, 1781 (currently Tyrophagus putrescentiae; Acariformes, ACARIDAE): usage conserved by designation of a neotype”, Bulletin of Zoological Nomenclature, vol. 81, pp. 131-132, 2024.

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Case 3501: Acarus putrescentiae Schrank, 1781 (currently Tyrophagus putrescentiae; Acariformes, Acaridae): proposed conservation of usage by designation of a replacement neotype

Pavel B. Klimov, Barry M. OConnor, “Case 3501: Acarus putrescentiae Schrank, 1781 (currently Tyrophagus putrescentiae; Acariformes, Acaridae): proposed conservation of usage by designation of a replacement neotype”, Bulletin of Zoological Nomenclature, vol. 67, no. 1, pp. , 2010.

The purpose of this application, under Article 75.6 of the Code, is to conserve the current usage of the name  Tyrophagus putrescentiae  (Schrank, 1781) for a ubiquitous, medically and economically important species of acariform mite (family Acaridae) by setting aside the existing name-bearing type and designating a replacement neotype.....

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Opinion 2486: Opinion 2486 (Case 3506) – Allosaurus Marsh, 1877 (Dinosauria, Theropoda):  usage conserved by designation of a neotype for its type species Allosaurus  fragilis Marsh, 1877

“Opinion 2486: Opinion 2486 (Case 3506) – Allosaurus Marsh, 1877 (Dinosauria, Theropoda):  usage conserved by designation of a neotype for its type species Allosaurus  fragilis Marsh, 1877”, Bulletin of Zoological Nomenclature, vol. 80, pp. 65-68, 2023.

The International Commission on Zoological Nomenclature has used its plenary power to conserve the  usage of the name  Allosaurus  Marsh, 1877, by designating specimen USNM 4734 as the neotype to replace  the nondiagnostic holotype (YPM 1930) of  Allosaurus fragilis  Marsh, 1877. In their comment supporting....

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Case 3511: Prionocerus bicolor Redtenbacher, 1868 (Insecta, Coleoptera, Cleroidea, Prionoceridae): proposed precedence over P. pertii Laporte de Castelnau, 1836

Michael Geiser, “Case 3511: Prionocerus bicolor Redtenbacher, 1868 (Insecta, Coleoptera, Cleroidea, Prionoceridae): proposed precedence over P. pertii Laporte de Castelnau, 1836”, Bulletin of Zoological Nomenclature, vol. 67, no. 2, pp. , 2010.

The purpose of this application, under Articles 23.9.3 and 81.2.3 of the Code, is to conserve the name Prionocerus bicolor Redtenbacher, 1868 for a common species of soft-winged flower beetle (Cleroidea, Prionoceridae) by giving it precedence over the unused older name P. pertii Laporte de....

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Opinion 2444: Opinion 2444 (Case 3511) – Prionocerus bicolor Redtenbacher, 1868 (Insecta, Coleoptera, Cleroidea, Prionoceridae): name conserved

ICZN, “Opinion 2444: Opinion 2444 (Case 3511) – Prionocerus bicolor Redtenbacher, 1868 (Insecta, Coleoptera, Cleroidea, Prionoceridae): name conserved”, Bulletin of Zoological Nomenclature, vol. 76, pp. , 2019.

The International Commission on Zoological Nomenclature has conserved the specific name Prionocerus bicolor Redtenbacher, 1868 for a species of soft-winged flower beetle (Cleroidea, Prionoceridae) by giving it precedence over its senior subjective synonym Prionocerus pertii Laporte, 1836.

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Case 3536: Stegosaurus Marsh, 1877 (Dinosauria, Ornithischia): proposed replacement of the type species with Stegosaurus stenops Marsh, 1887

Peter M. Galton, “Case 3536: Stegosaurus Marsh, 1877 (Dinosauria, Ornithischia): proposed replacement of the type species with Stegosaurus stenops Marsh, 1887”, Bulletin of Zoological Nomenclature, vol. 68, no. 2, pp. 127-133, 2011.

The purpose of this application, under Article 81.1 of the Code, is to preserve stability in the taxonomy of stegosaurian dinosaurs by replacing Stegosaurus armatus Marsh, 1877, the unidentifiable type species of the ornithischian dinosaur genus Stegosaurus Marsh, 1877, with the very well represented nominal species Stegosaurus stenops Marsh,....

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Opinion 2320: Opinion 2320 (Case 3536) Stegosaurus Marsh, 1877 (Dinosauria, Ornithischia): type species replaced with Stegosaurus stenops Marsh, 1887

“Opinion 2320: Opinion 2320 (Case 3536) Stegosaurus Marsh, 1877 (Dinosauria, Ornithischia): type species replaced with Stegosaurus stenops Marsh, 1887”, Bulletin of Zoological Nomenclature, vol. 70, no. 2, pp. 129-130, 2013.

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Case 3555: Chilodontidae Macalister, 1876 (Ciliophora), Chilodontinae Eigenmann, 1910 (Pisces, Characiformes), and Chilodontinae Wenz, 1938 (Mollusca, Gastropoda): proposed resolution of homonymy
between family-group names

D.G. Herbert, P. Bouchet, “Case 3555: Chilodontidae Macalister, 1876 (Ciliophora), Chilodontinae Eigenmann, 1910 (Pisces, Characiformes), and Chilodontinae Wenz, 1938 (Mollusca, Gastropoda): proposed resolution of homonymy
between family-group names”, Bulletin of Zoological Nomenclature, vol. 68, no. 3, pp. , 2011.

The purpose of this application, under Articles 29 and 55 of the Code, is to remove the homonymy between the family-group names Chilodontidae Macalister, 1876 (type genus Chilodon Ehrenberg, 1834 [Ciliophora]), Chilodontinae, an emendation of Chilodinae Eigenmann, 1910 (type genus Chilodus Müller & Troschel, 1844 [Pisces]), and....

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Opinion 2502: Opinion 2502 (Case 3555) – CHILODONTIDAE Bronn, 1859 (Ciliophora), CHILODONTINAE Eigenmann, 1910 (Pisces, Characiformes) and CHILODONTINAE Wenz, 1938 (Mollusca, Gastropoda): homonymy between family-group names resolved

“Opinion 2502: Opinion 2502 (Case 3555) – CHILODONTIDAE Bronn, 1859 (Ciliophora), CHILODONTINAE Eigenmann, 1910 (Pisces, Characiformes) and CHILODONTINAE Wenz, 1938 (Mollusca, Gastropoda): homonymy between family-group names resolved”, Bulletin of Zoological Nomenclature, vol. 81, pp. 133-136, 2024.

The International Commission on Zoological Nomenclature has hereby removed the homonymy between the family-group names CHILODONTIDAE Bronn, 1859, CHILODONTINAE, an emendation of CHILODINAE Eigenmann, 1910, and CHILODONTINAE Wenz, 1938, by: 1) using its plenary power to suppress the genus-group name  Chilodon  Ehrenberg, 1834 (Ciliophora) for the purposes....

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