Gopherus polypemus and Tortoise

Gopherus polypemus noun - Burrowing edible land tortoise of southeastern North America.

Tortoise and Gopherus polypemus are semantically related. In some cases you can use "Tortoise" instead a noun phrase "Gopherus polypemus".

Tortoise noun - Usually herbivorous land turtles having clawed elephant-like limbs; worldwide in arid area except Australia and Antarctica.

Gopherus polypemus and tortoise are semantically related. Sometimes you can replace phrase "Gopherus polypemus" with "Tortoise", this terms are similar.