A composite bony plate forming the floor of the shell of a turtle consisting of fused dermal elements, including contributions from the clavicles (epiplastrons) and interclavice (epiplastron). [ https://www.worldcat.org/search?q=bn%3A0073040584 http://en.wikipedia.org/wiki/Turtle_shell#Plastron ]
Term information
A composite bony plate forming the floor of the shell of a turtle consisting of fused dermal elements, including contributions from the clavicles (epiplastrons) and interclavice (epiplastron).