C. giganteus

C. giganteus may refer to:

• Chorus giganteus, a sea snail species
• Cordylus giganteus, the giant girdled lizard, a lizard species
• Cryptanthus giganteus, a plant species endemic to Brazil
• Cynosurus giganteus, a grass species in the genus Cynosurus
• Cyperus giganteus, the piripiri, a plant species native to central Mexico as far south as Uruguay

Synonyms

• Cereus giganteus, a synonym for Carnegiea gigantea, the saguaro, a cactus species native to the U.S. states of Arizona and California and to the Mexican state of Sonora
• Crotalus giganteus, a synonym for Crotalus adamanteus, a venomous pitviper species found in the southeastern United States