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Leiosoma
''Several other genera were invalidly named Leiosoma. The mite genus of Nicolet (1855) is now Liacarus. The echinoid genus of Cotteau (1860) is now Trochalosoma. The lepidopteran genus of Felder & Rogenhofer (1874) is now Erocha. The millipede genus of Silvestri (1897) is now '' Catharosoma.

Leiosoma is a genus of weevils.