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. 2015 Mar 31;226(4):354–372. doi: 10.1111/joa.12286

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© 2015 Anatomical Society

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Ventral views of the skull of Mirounga leonina, showing foramina and apophyses discussed in the text. (A) Ventral view, (B) latero-posterior view, (C) antero-ventral view. ‘A'F; ‘A’ foramen; AL, alisphenoid; BO, basioccipital; BS, basisphenoid; CCPF, posterior foramen of canalis caroticus; CG, glenoid fossa; Co, occipital condyle; EA, Eustachian apophysis; Ec/EnS, ectotympanic/endotympanic suture; EcT, ectotympanic bone; EcTT, ectotympanic tubercle; EnT, endotympanic bone; FCV, Fossa condylaris ventralis; FHp, foramen hypoglossis; FJ, foramen jugulare; FM, foramen magnum; FPG, foramen postglenoideum; FSM, foramen stylomastoideum; JA, jugular apophysis; JAa, jugular apophysis; anterior crista; MAE, meatus acusticus externus; PGA, postglenoid apophysis; PM, processus mastoideus; PPo, processus paraoccipitalis; PR, processus retroarticularis; PS, parasphenoid; SMA, stylomastoideum apophysis; STA, sulcus tubae auditivae.