Classification of Ponder 1983
G. Xenophora Fischer von Waldheim 1807
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Subg. †Xenophora (Onustus) Swainson 1840
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Xenophora (Onustus) borsoni Sismonda 1847
Xenophora (Onustus) indica Gmelin 1791
Invalid names: Xenophora (Trochotugurium) Sacco 1896 [synonym]