| author | date | title | journal / publication | Stevens NM, Boring AM | 1906 | Regeneration in Polychoerus caudatus. | Bryn Mawr, Pa., Bryn Mawr Coll. Monogr. (Reprint Ser.) 6: 335-346 |
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| Polychoerus caudatus Mark, 1892 | w | other research on this sp. | ||
| Planaria morgani Stevens & Boring, 1906 | w | other taxonomic work |