Bostrycapulus aculeatus is a species of sea snail in the family Calyptraeidae, the slipper snails or slipper limpets, cup-and-saucer snails, and hat snails.

[1] This species occurs in Florida and the Bahamas.

The maximum recorded shell length is 30 mm.

[2] The minimum recorded depth for this species is 0 m; maximum recorded depth is 80 m.[2]

This Calyptraeidae-related article is a stub.