| Cactaceae | |
Pterocactus araucanus
| A. Cast. | Revista Fac. Ci. Agrar. Univ. Nac. Cuyo 8(2): 6 | 1964 |
| Cactaceae | |
Pterocactus australis
| (F.A.C. Weber) Backeb. | Desert Pl. Life 22: 17 | 1950 |
| Cactaceae | |
Pterocactus decipiens
| Gürke | Monatsschr. Kakteenk. 17: 147 | 1907 |
| Cactaceae | |
Pterocactus fischeri
| Britton & Rose | Cact. 1: 31–32, f. 33–34 | 1919 |
| Cactaceae | |
Pterocactus gonjianii
| R. Kiesling | Cact. Succ. J. Gr. Brit. 44: 55 | 1982 |
| Cactaceae | |
Pterocactus hickenii
| Britton & Rose | Cact. 1: 31, f. 31–32 | 1919 |
| Cactaceae | |
Pterocactus kuntzei
| K. Schum. | Monatsschr. Kakteenk. 7: 6 | 1897 |
| Cactaceae | |
Pterocactus marenae
| (W.E. Parsons) G.D. Rowley | Natl. Cact. Succ. J. 13: 4 | 1958 |
| Cactaceae | |
Pterocactus megliolii
| R. Kiesling | Bol. Soc. Argent. Bot. 14: 111 | 1971 |
| Cactaceae | |
Pterocactus neuquensis
| R. Kiesling, E. Sarnes & N. Sarnes | Kakteen And. Sukk. 67(9): 240 | 2016 |
| Cactaceae | |
Pterocactus pumilus
| Britton & Rose | Cact. 1: 32, f. 35 | 1919 |
| Cactaceae | |
Pterocactus reticulatus
| R. Kiesling | Bol. Soc. Argent. Bot. 14(1–2): 114 | 1971 |
| Cactaceae | |
Pterocactus skottsbergii
| (Britton & Rose) Backeb. | Desert Pl. Life 22: 17 | 1950 |
| Cactaceae | |
Pterocactus tuberosus
| (Pfeiff.) Britton & Rose | Cact. 1: 32–33, f. 37 | 1919 |
| Cactaceae | |
Pterocactus valentinii
| Speg. | Anales Soc. Ci. Argent. 48: 51 | 1899 |