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Theropoda

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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 3815: Tyrannosauridae Osborn, 1906 (Dinosauria, Theropoda): proposed conservation by reversal of precedence of Deinodontidae Cope, 1866 and Dryptosauridae Marsh, 1890

Chan-gyu Yun, “Case 3815: Tyrannosauridae Osborn, 1906 (Dinosauria, Theropoda): proposed conservation by reversal of precedence of Deinodontidae Cope, 1866 and Dryptosauridae Marsh, 1890”, Bulletin of Zoological Nomenclature, vol. 77, pp. , 2020.

Noticed in BZN 76 (20 Dec 2019): 166. The purpose of this application, under Article 23.9.3 of the Code, is to conserve at both the family and superfamily level the widely used family-group name Tyrannosauridae (-oidea) Osborn, 1906 (Dinosauria, Theropoda), which is threatened by its senior....

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