Typhisopsis Jousseaume, 1880, and Typhisala Jousseaume, 1881, are redescribed and the included species reviewed. Typhisopsis coronatus (Broderip, 1833) is considered as the senior synonym of T quadratus (Hinds, 1843), Murex siphoniferus, Lesson, 1844, and Typhis martyria Dall, 1902. Ill addition, Typhisopsis carolskoglundae new species is described from, western Panama. Its range extends to Sonora, Mexico. The new species is compared with Typhisopsis coronatus, Typhisala grandis (A. Adams, 1855) and T clarki (Keen and Campbell, 1964).