There’s a conundrum in the paleontological community that’s been going on for quite some time. Did teeth evolve from outside dentine armor in ancient fish, or did the armor outside come from teeth in the mouth? Also, what’s up with most amphibians and all modern birds losing their teeth? PBS Eons’ Kallie Moore tells us the story.
Related Posts
Snakes Live Rent-Free In Our Heads
The hypothesis suggests that humans and other primates quickly evolved to recognize snakes as a survival mechanism. This…
‘Sea monsters’ were real millions of years ago. New fossils tell about their rise and fall
Thalassotitan teeth. Nicholas Longrich Nicholas R. Longrich, University of Bath Sixty six million years ago, sea monsters really…
What is this new Langya virus? Do we need to be worried?
People could have caught the virus from wild shrews. Shutterstock Allen Cheng, Monash University A new virus, Langya…
Arthropleura: The Biggest Millipede Ever (So Far)
The vast expanse of Earth’s natural history has seen the planet play host to fantastic creatures like dinosaurs…