| Authors(s) | Knowers, H. M. |
| Year | 1894 |
| Title | Pteropods with two separate sexual openings. Johns Hopkins Univ. Circ. 13: 61-62. idem in: Abstr. J. Roy. Micr. Soc. ( |
| Authors(s) | Knowers, H. M. |
| Year | 1894 |
| Title | Pteropods with two separate sexual openings. Johns Hopkins Univ. Circ. 13: 61-62. idem in: Abstr. J. Roy. Micr. Soc. ( |