author | date | title | journal / publication | Leidy J | 1847 | Description and anatomy of a new and curious subgenus of Planaria (Phagocata gracilis). | Proc. Acad. Nat. Sci. Phil. 1850-1851. 3: 248-251 [also publ in Ann. Mag. Nat. Hist. Ser 2, vol 1: 242-245. London [https://www.biodiversitylibrary.org/item/84755 goto] |
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