Actaeon monterosatoi Dautzenberg, 1889 Acteon monterosatoi is a species of sea snail, a marine gastropod mollusc in the family Acteonidae.

They are transversely sculptured throughout with punctate striae.

The body whorl is obese.

The color of the shell is dull white.

[2] This marine species occurs in the Atlantic Ocean off Portugal, the Azores and Cape Verde; in the Mediterranean Sea off Spain, Italy and Morocco.