Described as T. succinea (which was synonymised with T. caribaeensis)
Shell rather large tor the genus, reaching to about 9 mm (3/5 of an inch) in length, rather solid and generally strongly sculptured. Color ranging from grayish-white to yellowish-brown. Whorls remaining. 4 to 4,5, moderately convex. Suture well defined. Aperture holostomatous, subcircular to subovate. Outer lip simple though occasionally thickened by the first costa behind. Parietal lip thickened and smoothly arched over the columellal area. Both outer and inner lip slightly reflected. Basal ridge well developed. Umbilical area minutely rimate or smooth. Columella short. Sculpture consisting of numerous (generally 30 to 40) axial costae which may be evenly developed throughout their length or so reduced that the peripheral area of the whorl is smooth, the costae being developed only at the suture. Operculum generally with a calcareous plate on a chitinized base.

The Bahamas, Cuba, Dominican Republique, Jamaica and the Cayman Islands.

Shell subrimate, subcylindrical, in the adult state, but slightly decreasing in size toward the apex; amber colored, with delicate, scarcely curved ribs, which are often faint on the middle of the whorls; whorls three and one-half to four, but little rounded, the last with a feeble basal carination; aperture subvertical, oval; peristome thickened on its inner lip arid pressed in to the last whorl; outer lip reflexed.
Length, 7; diameter, 2.5 to 3 mm.
Ensenada Honda, Culebra, one specimen; also various West Indian localities; Florida, etc.