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The presumptive subspecies of dilocarcinus pagei crustacea brachyura trichodactylidae re description and reference to its polyphenism

, : The presumptive subspecies of dilocarcinus pagei crustacea brachyura trichodactylidae re description and reference to its polyphenism. Physis Seccion B las Aguas Continentales y sus Organismos 39(97): 21-32

Many conspecific specimens obtained at Esteros Laguna Oca, Formosa Province, Argentina, showed the same morphological differences as those used by Bott (1969) to establish 2 sspp.: D. (Dilocarcinus) pagei pagei and D. (D.) p. cristatus. All the specimens studies are sympatric and synchronic, and they cannot belong to different subspecies. The only possible explanation for this phenomenon is polyphenic variation in a local population of the species.

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