An analysis of the Gnathorhynchidae (Neorhabdocoela, Turbellaria) and the position of Psittacorhynchus verweyi nov. gen. nov. sp. in this family
den Hartog, C. (1968). An analysis of the Gnathorhynchidae (Neorhabdocoela, Turbellaria) and the position of Psittacorhynchus verweyi nov. gen. nov. sp. in this family. Proc. K. Ned. Akad. Wet., Ser. C, Biol. Med. Sci. 71(4): 335-345
In: Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen. Series C: Biological and Medical Sciences. Koninklijke Nederlandse Akademie van Wetenschappen: Oxford; Amsterdam. ISSN 0023-3374
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