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M3#4_UM N179

Labelled exploded model of the right ear region of Hippopotamus amphibius (UM N 179)

Data citation: Orliac M., Guy F., Lebrun R., 2015. M3#4_UM N179. doi: 10.18563/m3.sf4

Tag legend:
bulla, parietal, petrosal, sinus

Model solid/transparent

auditory meatus, basicapsular groove, caudal tympanic process, contact with auditory tube, eustachian tube, external auditory meatus, fenestra cochleae, fenestra vestibuli, foramen for temporal branches, geniculum of canalis fascialis, glazerian fissure, glenoid surface, Hiatus fallopii, internal acoustic meatus, mastoid region, paracondylar process, posterior crus of tympanic anulus, postympanic process, prefacial commissure fossa, promontorium, round oval fossa for tensor tympani, sigmoid sinus, Sigmoid sinus, subarcuate fossa, sulcus tympanicus, suprameatal foramen, suprameatal foramen, Tegmen tympani, temporal branch, temporal branch, temporal branch, temporal sinus, temporal sinus, transverse sinus, tributary branches of capsulo parietal emissary vein system, tympanic neck, tympanohyal sulcus, ventrolateral process

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Specimen infos

Sex : indet

Age group : Adult

Age (if applicable) :

Material Type : Skull

Origin : Africa

Class : Mammalia

Order : Cetartiodactyla

Family : Hippopotamidae

Genus : Hippopotamus

Species :amphibius

Skull of Hippopotamus amphibius

Related article
Osteological connexions of the petrosal bone of the extant Hippopotamidae Hippopotamus amphibius and Choeropsis liberiensis
Maëva Orliac, Franck Guy and Renaud Lebrun
Published online: 2014-10-24

Keywords: Artiodactyla; bulla; ear region; pygmy hippo; sinus

doi: 10.18563/m3.1.1.e1


    This project presents the osteological connexions of the petrosal bone of the extant Hippopotamidae Hippopotamus amphibius and Choeropsis liberiensis by a virtual osteological dissection of the ear region. The petrosal, the bulla, the sinuses and the major morphological features surrounding the petrosal bone are labelled, both in situ and in an exploded model presenting disassembly views. The directional underwater hearing mode of Hippopotamidae is discussed based on the new observations. 

  M3 article infos

Published in Vol. 01, Issue 01 (2015)