† Sophismalepas acra Cotton, 1947 superseded combination Amblychilepas acra is an extinct species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.

[1] The size of this species varies between 9 mm and 14 mm.

Fossils of this marine species were found in Pliocene strata in South Australia.

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