T. gigantea may refer to: Tarchia gigantea, an ankylosaurid dinosaur species from the late Cretaceous of Mongolia Tegenaria gigantea, the giant house spider, a spider species Thargelia gigantea a moth species found in Morocco, Algeria, Libya, Israel and the Sinai Tritonia gigantea, a marine nudibranch gastropod species Tyto gigantea, an extinct barn owl species from what is now Gargano, Italy, dating back to the late Miocene
Synonyms Thirmida gigantea, a synonym for Scea gigantea, a moth species
See also Gigantea (disambiguation)