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| Kingdom Animalia |
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Fossocarus Howden, 1961 – valid
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Fossocarus creoleorum Howden, 1961 – valid
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Gronocarus multispinosus Howden, 1961 – invalid – Spiny Florida sandhill scarab
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Isodacrys burkei Howden, 1961 – valid
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Pseudothalycra Howden, 1961 – invalid
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Pseudothalycra knulli Howden, 1961 – invalid
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Thalycra acuta Howden, 1961 – valid
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Thalycra dentata Howden, 1961 – valid
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Thalycra intermedia Howden, 1961 – valid
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Thalycra keltoni Howden, 1961 – valid
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Thalycra knulli (Howden, 1961) – valid
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Thalycra leechi Howden, 1961 – valid
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Thalycra mexicana Howden, 1961 – valid
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Thalycra mixta Howden, 1961 – valid
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Thalycra monticola Howden, 1961 – valid
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Thalycra orientalis Howden, 1961 – valid
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Thalycra parsonsi Howden, 1961 – valid
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Thalycra sinuata Howden, 1961 – valid
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Thalycra truncata Howden, 1961 – valid |
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