S. gracilis may refer to: Sageretia gracilis, a shrub species with slightly shiny dark green leaves and yellow-green flowers Sarcocystis gracilis, a parasitic protozoan species in the genus Sarcocystis infecting dogs Saurida gracilis, the gracile lizardfish, a fish species found in the Indo- pacific region Scaphispatha gracilis, a plant species endemic to South America Sellosaurus gracilis, a prosauropod dinosaur species of Triassic Europe Senoculus gracilis, a spider species in the genus Senoculus found from Guyana to Argentina Sepiadarium gracilis, a cuttlefish species native to the Indo-Pacific Sillago gracilis, the trumpeter whiting, a fish species Sloanea gracilis, a plant species endemic to Suriname Smilodectes gracilis, an adapiformes primate species from the early Eocene Smilodon gracilis, the slender smilodon, an extinct carnivorous mammal species Spartina gracilis, the alkali cordgrass, a plant species Sphodromantis gracilis, a praying mantis species found in the Transvaal Spilogale gracilis, the Western spotted skunk Spratelloides gracilis, the slender sprat, a sprat fish species Stemonoporus gracilis, a plant species endemic to Sri Lanka Streptocephalus gracilis, a crustacean species endemic to South Africa Syrnolopsis gracilis, a gastropod species

Synonyms Scaphyglottis gracilis, a synonym for Scaphyglottis prolifera Segestria gracilis, a synonym for Segestria florentina Slabberina gracilis, a synonym for Eurydice pulchra

See also Gracilis (disambiguation)