Review of the concept of Profilicollis Meyer, 1931 with a description of Profilicollis rancoensis n. sp. (Acanthocephala: Polymorphidae) from the freshwater crab, Aegla abtao Schmitt, 1942 (Decapoda: Anomura) in Chile, with a key to congeneric species

Open Access

Figures 11–16

SEM of cystacanths of Profilicollis rancoensis n. sp. from Aegla abtao in Ranco Lake, Valdivia, Chile. (11–13) Anterior, middle and posterior hooks in profile. Note differences in size, shape, and curvature. (14–16) Anterior, middle and posterior spines; their shape is variable.

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