陕西府谷晚中新世巨鬣狗(Dinocrocuta gigantea)(食肉目：鬣狗科)颅基部形态研究
Basicranial morphology of Late Miocene Dinocrocuta gigantea (Carnivora: Hyaenidae) from Fugu, Shaanxi
The anterior chamber is in light green; the posterior chamber is in orange; the presumed hiatus for the lesser petrosal nerve is in purple; the canal for the rostral tympanic artery is in cyan; the mastoid canaliculus is in red
Abbreviations: adr. the small recess anterodorsal to the tympanic membrane; amr. the anteromedial recess dorsal to the “flat”; bpa. invasion of the boot-like process of bulla from the anterior chamber; bpp. invasion of the boot-like process of bulla from the posterior chamber; eam. space of external acoustic meatus (truncated); er. epitympanic recess; fsc. the rounded fossa presumably inserted by Spence’s cartilage; lmc. lateral mastoid cavity of the posterior chamber; mec. medial cavity of the posterior chamber; mic. middle constriction of the posterior chamber; mtc. musculotubal canal; sf. stapedius fossa; ttf. tensor tympani fossa
Other abbreviations see
