| Authors(s) | Massy A.L. |
| Year | 1920 |
| Title | Eupteropoda (Pteropoda Thecosomata) and Pterota (Pteropoda Gymnosomata). Rep. British Ant. Terra Nova Exp., Nat. Hist., Zool., 2(9), Mollusca 3:203-232. |
| Authors(s) | Massy A.L. |
| Year | 1920 |
| Title | Eupteropoda (Pteropoda Thecosomata) and Pterota (Pteropoda Gymnosomata). Rep. British Ant. Terra Nova Exp., Nat. Hist., Zool., 2(9), Mollusca 3:203-232. |