Hygia Uhler, 1861a: 287. New name for Pachycephalus Uhler, 1860.
Pachycephalus Uhler, 1860: 225 (junior homonym of Pachycephalus Stephens, 1826, Aves). Type species by monotypy: Pachycephalus opacus Uhler, 1860.
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Hygia Uhler, 1861a: 287. New name for Pachycephalus Uhler, 1860.
Pachycephalus Uhler, 1860: 225 (junior homonym of Pachycephalus Stephens, 1826, Aves). Type species by monotypy: Pachycephalus opacus Uhler, 1860.
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