Dave, First, thanks for sharing your knowledge and expertise. When I rave about TFF to other fossil hunters, I am raving about you and Bobby and Harry and other experts and moderators whose contributions make this forum THE best fossil resource. I have been moved from dummy to novice on the topic of mammal inner ears. Next, a question -- How large is this petrous temporal bone compared to its human equivalent? basically an approximation of overall size compared to a human. Finally the phot