• Hypha Persoon, 1822
• Talpha Say in James, 1823 (uncertain)
• Thopha Amyot & Serville, 1843
• Thyada Pascoe, 1863
• Thyana Dognin, 1923 [Family: Notodontidae]
• Thyana W. Hamilton, 1825 accepted as Thouinia Poiteau, 1804 [Family: Sapindaceae]
• Thyphis Mörch, 1852 † accepted as Typhis Montfort, 1810
• Thypnia Endrödi, 1952 (uncertain)
• Thyrea A. Massalongo, 1856
• Thyria Guenée, 1852 (uncertain)
• Thysia Loiselle & Welcomme, 1972 accepted as Thysochromis Daget, 1988 [Family: Cichlidae]
• Thysia Thomson, 1860 [Family: Cerambycidae]
• Tropha Weise, 1900
• Trypha Townes, 1969
• Typha Larmarck, 1813 (uncertain) [Family: Porifera (awaiting allocation)]
• Typha Linnaeus, 1753 [Family: Typhaceae]
• Typhia Brischke, 1886 accepted as Tiphia Fabricius, 1775