D. gigantea

D. gigantea may refer to:
 * Dasyatis gigantea, the giant stumptail stingray, a fish species
 * Dendroseris gigantea, synonym of Sonchus lobatiflorus, a flowering plant species found only in the Juan Fernández Islands
 * Dinocrocuta gigantea, an extinct hyena-like feliform carnivore species that lived in Asia and Africa during the Miocene epoch
 * Dinoponera gigantea, the world's largest species of ant found only in South America
 * Drechslera gigantea, a plant pathogen that causes eyespot disease on many host plants
 * Drosera gigantea, the giant sundew, an erect perennial tuberous plant species