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Re: [dinosaur] Burmese amber + alular feathers + bolosaurid thecodont teeth + crocodylian diversity + amniote respirations
> Adam J. Snyder, Aaron R.H. LeBlanc, Chen Jun, Joseph J. Bevitt & Robert R.
> Reisz (2020)
> Thecodont tooth attachment and replacement in bolosaurid parareptiles.
> PeerJ 8:e9168
>
> [...] The data confirm that bolosaurid teeth have thecodont implantation with
> deep roots, the oldest known such example among amniotes [...]
That's if you assume that the diadectids aren't amniotes. Two different
analyses published last year, one of them in PeerJ as it happens, found them
just inside instead of just outside â specifically as what I hope we'll be
able to call non-synapsid theropsids.