Espostoa
Espostoa, Cactaceae 2: 60. 1920 sec. Hunt 20061
- Type: Espostoa lanata
- =Binghamia, Cactaceae 2: 167. 1920 syn. sec. Hunt 20062
- Type: Binghamia melanostele
- =Pseudoespostoa in Blätt. Kakteenf. 1934(10): 1, gen. 104. 1934 syn. sec. Hunt 20063
- =Thrixanthocereus in Blätt. Kakteenf. 1937(8): Nachtr. 15. 1937 syn. sec. Hunt 20064