µCT images of the bony labyrinth in Pantherinae showing the bony protuberance that transmits branches of the nervus vestibulocochlearis (CN VIII) and patterns of the fossa subarcuata. A infant Panthera leo (SMF 15765, IDAS 1.2, right side, transversal); B P. onca (SMF 3067, right side, transversal); C P. uncia (SMF 5419, left side mirrored, transversal); D Neofelis diardi (SMF 15470, left side mirrored, transversal), the ASC is not completely enclosed by the petrosal bone; E N. nebulosa (SMF 40850, right side, transversal). Abbreviations: acf, aperture of the cochlear fossula; ASC, anterior semicircular canal; av, aquaeductus vestibuli; bp, bony protuberance; bv, canal for blood vessels; cc, crus commune; co, cochlea; fs, fossa subarcuata; fv, fenestra vestibuli; LSC, lateral semicircular canal; pa, posterior ampulla; pc, petromastoid canal; PSC, posterior semicircular canal; sbl, secondary bony lamina; scc, secondary crus commune; ve, vestibule. Not to scale.

 
 
  Part of: Wirkner M, Heyder K, Ruf I (2022) Comparative morphology and postnatal ontogeny of the bony labyrinth in Pantherinae (Felidae, Carnivora) with special emphasis on the lion. Vertebrate Zoology 72: 883-905. https://doi.org/10.3897/vz.72.e82874