| author | date | title | journal / publication | Van Name WG | 1899 | abs. | The maturation, fertilization and early development of the planarians. | Trans Conn Acad 10:263-300 + pl 36-41 |
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| Eustylochus ellipticus (Girard, 1850) | - | other research on this sp. | ||
| Planocera nebulosa Girard, 1853 | - | other research on this sp. |