<<Middle. :-) Inner ears are common to all vertebrates, including conodonts.>> But not mammalian ones, (in the extant mode), featuring an incus, malleus and stapes.
<<Middle. :-) Inner ears are common to all vertebrates, including conodonts.>>
But not mammalian ones, (in the extant mode), featuring an incus, malleus and stapes.
That's the middle ear, the area between the eardrum and the inner ear.