Phallomedusa is a genus of small, air-breathing land snails with an operculum, a pulmonate gastropod mollusc.

Phallomedusa is the only genus in the subfamily Phallomedusinae.

Species Species in the genus Phallomedusa include: Phallomedusa solida (Martens, 1878) Phallomedusa austrina Golding, Ponder & Byrne, 2007

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