Victaphanta compacta, common name the Otway black snail, is a species of carnivorous air-breathing land snail, a terrestrial pulmonate gastropod mollusks in the family Rhytididae. The Otway Black Snail Victaphanta compacta is only found in cold temperate rainforests in Australia. It is one of four species of the carnivorous land snails in the genus Victaphanta and is endemic to the Otway Ranges.

The Otway Black Snail was first described as Paryphanta compacta (Cox and Hedley 1912). In 1933 the genus Victaphanta was established (Iredale 1933).

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