Pleioptygma carolinense[1] is an extinct species of sea snail, a marine gastropod mollusk in the family Pleioptygmatidae.
[1] This species is found in the Pliocene deposits of North Carolina.
[2] The type locality is Duplin County, North Carolina.
— Shell subfusiform; whorls deeply channeled below the suture; superior margin of the channel carinated; spire elevated, with prominent, rather distant acute spiral lines on the three or four superior whorls; large whorl with obscure, distant spiral lines, except towards the base, which is sulcated, and strongly
Length 3 inches.This article incorporates public domain text from the reference [2]