Evolution of our mammalian ancestor's ear bone

It has long been believed that the hearing bone called stapes, one of the smallest bones in ancestor of mammals, shows no differences between species.

Evolution of mammals - Wikipedia

A new developmental mechanism for the separation of the mammalian middle ear ossicles from the jaw

PDF] Developmental Patterns in Mesozoic Evolution of Mammal Ears

Fossilized Jaw Bone Reveals Early Evolution of Mammals, Chicago News

The Ear of Mammals: From Monotremes to Humans

Evolution of the Middle and Inner Ears of Mammaliaforms: The Approach to Mammals

Lend an ear to a classic tale of mammalian evolution

Evolution of mammalian auditory ossicles - Wikipedia

Embryonic evidence uncovers convergent origins of laryngeal echolocation in bats - ScienceDirect

Evolution of our mammalian ancestor's ear bone

6 Evolution of the inner ear bony housing in mammaliaforms: (A)