S. gigantea

S. gigantea may refer to:
 * Scea gigantea, a moth species found in South America
 * Schizoglossa gigantea, a species of large predatory, air-breathing, land slug
 * Scolopendra gigantea, the Peruvian giant yellowleg centipede or Amazonian giant centipede
 * Spenceriella gigantea, the North Auckland worm, a rare giant annelid species endemic to New Zealand
 * Spongiochloris gigantea, an alga species in the genus Spongiochloris
 * Stapelia gigantea, a flowering plant species
 * Stichodactyla gigantea, the giant carpet anemone, a species of sea anemone that lives in the Indo-Pacific area
 * Strongylura gigantea, the needlefish, a marine fish species

Synonyms

 * Sequoia gigantea, a synonym for Sequoiadendron giganteum, a massive tree species