Acteon punctocoelata: Shell oblong with conoidal spire; white with two broad ashy or brown zones. Whorls 5, convex, separated by impressed and narrowly channeled sutures. Surface sculptured throughout with spiral equidistant conspicuously punctate grooves, the raised intervals smooth except for a fine engraved live along the middle of each. Grooves on the body-whorl about 26. Aperture two-fifths to two-thirds the length of the shell. Columella having a spiral fold above, obliquely truncated at base.

Acteon punctocoelata: 10 - 20 mm

Acteon punctocoelata: Monterey, California, to Magdalena Bay, Lower California.
Fossil : Pleistocene, Santa Barbara, to San Diego, California.

Acteon punctocoelata: TYPE in United States National Museum. Type locality, Santa Cruz, California.
This species was described as Tornatella punctocoelata by Carpenter.