![Comprehensive molecular and cellular studies suggest avian scutate scales are secondarily derived from feathers, and more distant from reptilian scales | Scientific Reports Comprehensive molecular and cellular studies suggest avian scutate scales are secondarily derived from feathers, and more distant from reptilian scales | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-018-35176-y/MediaObjects/41598_2018_35176_Fig1_HTML.png)
Comprehensive molecular and cellular studies suggest avian scutate scales are secondarily derived from feathers, and more distant from reptilian scales | Scientific Reports
![The anatomical placode in reptile scale morphogenesis indicates shared ancestry among skin appendages in amniotes | Science Advances The anatomical placode in reptile scale morphogenesis indicates shared ancestry among skin appendages in amniotes | Science Advances](https://www.science.org/cms/10.1126/sciadv.1600708/asset/ff65834f-070e-4e18-926c-c79874a0fd3c/assets/graphic/1600708-f3.jpeg)
The anatomical placode in reptile scale morphogenesis indicates shared ancestry among skin appendages in amniotes | Science Advances
![Development of epidermal scales during reptilian embryogenesis. (A)... | Download Scientific Diagram Development of epidermal scales during reptilian embryogenesis. (A)... | Download Scientific Diagram](https://www.researchgate.net/publication/304492790/figure/fig1/AS:382676772114433@1468248660344/Development-of-epidermal-scales-during-reptilian-embryogenesis-A-Hematoxylin-and-eosin.png)
Development of epidermal scales during reptilian embryogenesis. (A)... | Download Scientific Diagram
![Schematic drawings showing different types of reptile scales Scales... | Download Scientific Diagram Schematic drawings showing different types of reptile scales Scales... | Download Scientific Diagram](https://www.researchgate.net/publication/26321946/figure/fig1/AS:606158041665536@1521530747897/Schematic-drawings-showing-different-types-of-reptile-scales-Scales-resting-phase-are.png)
Schematic drawings showing different types of reptile scales Scales... | Download Scientific Diagram
![Arrangement and different types of scales in iguana (A) An adult iguana... | Download Scientific Diagram Arrangement and different types of scales in iguana (A) An adult iguana... | Download Scientific Diagram](https://www.researchgate.net/publication/26321946/figure/fig2/AS:606158045839360@1521530748004/Arrangement-and-different-types-of-scales-in-iguana-A-An-adult-iguana-showing-different.png)
Arrangement and different types of scales in iguana (A) An adult iguana... | Download Scientific Diagram
![The bird, its form and function . in which the scales of fishes and reptilesbegin to form; and if, at this stage, the tiny projectionshould flatten out, the shining scale of The bird, its form and function . in which the scales of fishes and reptilesbegin to form; and if, at this stage, the tiny projectionshould flatten out, the shining scale of](https://c8.alamy.com/comp/2CNDR2G/the-bird-its-form-and-function-in-which-the-scales-of-fishes-and-reptilesbegin-to-form-and-if-at-this-stage-the-tiny-projectionshould-flatten-out-the-shining-scale-of-a-carp-the-armor-fig-11sprouting-feathers-of-a-12-day-embryo-chick-magnified-25-diameters-of-an-alligator-or-the-cobble-scale-of-an-iguana-lizardmight-result-indeed-in-the-feathers-of-a-penguin-wefind-transition-stages-of-flat-almost-unsplit-feather-scales-while-on-the-legs-and-feet-of-birds-are-reptile-likescales-the-evolution-of-scales-hair-and-feathers-is-a-mostinteresting-problem-most-of-the-details-o-2CNDR2G.jpg)