"Internal view of the plastron of the Greek tortoise. EP., Epiplastron (clavicle?); ENT., entoplastron (interclavicle?); HYO., hyoplastron; HYPO., hypoplastron; XIPHI., xiphiplastron." -Thomson, 1916

Greek Tortoise Plastron

"Internal view of the plastron of the Greek tortoise. EP., Epiplastron (clavicle?); ENT., entoplastron…