Painted turtles have beautiful shell markings and also have growth annuli (rings) on their plastron (turtle shell bottom) that look like square ridges (visible mid-portion of plastron at top). (Danielle Garneau)
Painted turtles have beautiful shell markings and also have growth annuli (rings) on their plastron (turtle shell bottom) that look like square ridges (visible mid-portion of plastron at top). (Danielle Garneau)
New York State Parks Blog 
