File:Plastron of a turtle shell.jpg - Wikimedia Commons

File:Midland painted turtle, plastron, young.jpg - Wikimedia Commons

Label the Sea Turtle Worksheet for Kids

The ecomorphology of the shell of extant turtles and its applications for fossil turtles [PeerJ]

Turtle shell, Ultimate Pop Culture Wiki

What—If Anything—Is a Geoemydid? - Scientific American Blog Network

File:Turtle shell calendar.jpg - Wikimedia Commons

The Persistence of Turtles

Quantifying shell patterning helps identify species of Trionychidae - Pamfilie - 2023 - The Anatomical Record - Wiley Online Library

What kind of turtle is this? : r/animalid

Turtle shell - Wikipedia