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On the brain of the Amazon dolphinInia geoffrensis de Blainville 1817 (Cetacea, Susuidae)

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  • Anatomica. Histologica. Carcinologica
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Zusammenfassung

Bei einem durchschnittlichen Körpergewicht von 44,7 kg beträgt das mittlere Frischhirngewicht vonInia geoffrensis 550 g. Das Kleinhirngewicht macht 12,4% des Totalhirngewichtes aus. Das optische System vonInia ist sehr reduziert, das akustische System dagegen stark entwickelt.I. geoffrensis ist weniger zephalisiert alsDelphinus delphis.

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Literatur

  1. G. Pilleri, Revue suisse Zool.73, 113 (1966).

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  2. G. Pilleri, J. Hirnforsch.8, 437 (1966).

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Authors and Affiliations

  1. Brain Anatomy Institute, 3072, Waldau/Bern, Switzerland

    G. Pilleri & Margarete Gihr

Authors
  1. G. Pilleri
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  2. Margarete Gihr
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Additional information

Carried out with the support of the Swiss National Fund (Grant No. 4606). Contributions to the morphology of Cetacea: XXXV.

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Pilleri, G., Gihr, M. On the brain of the Amazon dolphinInia geoffrensis de Blainville 1817 (Cetacea, Susuidae). Experientia 24, 932–934 (1968). https://doi.org/10.1007/BF02138664

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  • DOI: https://doi.org/10.1007/BF02138664

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