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M3#288_IAA 02-13

Endocast surface of the semicircular canals and cochlea of the Weddell seal Leptonychotes weddellii.

Data citation: Latimer A. E., Loza C. M., Sánchez-Villagra M. R., Carlini A. A., 2017. M3#288_IAA 02-13. doi: 10.18563/m3.sf.288

Model solid/transparent

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Specimen infos
Collection : Instituto Antártico Argentino

Inventory number : IAA 02-13

Sex : indet

Age group : Adult

Age (if applicable) :

Material Type : Skull

Origin :

Class : Mammalia

Order : Carnivora

Family : Phocidae

Genus : Leptonychotes

Species :weddellii

Skull at IAA

Related article
Supplemental information for "Sensory anatomy of the most aquatic of carnivorans: the Antarctic Ross seal, and convergences with other mammals".
Ashley E. Latimer, Cleopatra M. Loza, Marcelo R. Sánchez-Villagra and Alfredo A. Carlini
Keywords: aquatic; Inner ear; Ommatophoca rossi; Phoca; semicircular canals

doi: 10.18563/m3.3.4.e7


    Here, the semicircular canals of the most aquatic seal, the rare Antarctic Ross Seal (Ommatophoca rossii), are presented for the first time, along with representatives of every species in the Lobodontini: the leopard seal (Hydrurga leptonyx), Weddell seal (Leptonychotes weddellii), and crabeater seal (Lobodon carcinophagus). Because encounters with wild Ross seal are rare, and few specimens are available in collections worldwide, this dataset increases accessibility to a rare species. For further comparison, we present the bony labyrinths of other carnivorans, the elephant seal (Mirounga leonina), harbor seal (Phoca vitulina), walrus (Odobenus rosmarus), South American sea lion (Otaria byronia). 

  M3 article infos

Published in Volume 03, Issue 04 (2017)