Getting to the Root of Scales, Feathers, and Hair: As Deep as Odontodes?

    June 2017 in “ Experimental Dermatology ”
    Danielle Dhouailly, Pascal Godefroit, Thomas Martin … Olav T. Oftedal
    Studysummary The authors suggest that tooth, dermal scale, epidermal scale, feather, and hair evolved in parallel from a shared placode/dermal cell unit in an early vertebrate gnathostome with odontodes, around 420 million years ago.
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    Research cited in this study 9

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