N. gracilis may refer to: Naticopsis gracilis, an extinct sea snail species in the genus Naticopsis and the family Neritopsidae Nectandra gracilis, a plant species found in Ecuador and Peru Neolamprologus gracilis, a fish species endemic to Lake Tanganyika Nepenthes gracilis, the slender pitcher-plant, a very common lowland pitcher plant Nyctosaurus gracilis, a pterodactyloid pterosaur species
See also Gracilis (disambiguation)