New paper! Thanks to John for initiating & leading this work, in which we describe the collumellae/stapes of sauropsids, including turtles 🐢, birds 🐦⬛, lepidosaurs 🐍 and crocs 🐊.
"Clade-wide morphological and functional variation of the sauropsid columella" Open access: doi.org/10.1002/ar.7...
The columella (=stapes) is the middle ear bone of reptiles that transmits vibrations from the environment to the inner ear. It has been shown to exhibit extensive interspecific morphological disparit....