E. orientalis may refer to: Eleutherodactylus orientalis, a frog species endemic to Cuba Erioptera orientalis, a crane fly species in the genus Erioptera Ervatamia orientalis, a plant species in the genus Ervatamia found in Australia Erythrina orientalis, a plant species Eudynamys orientalis, the Pacific koel or Eastern koel, a cuckoo species found from Wallacea east to the Solomon Island and south to northern and eastern Australia Eurystomus orientalis, the Oriental dollarbird or dollar roller, a bird species
Synonyms Erigone orientalis, a synonym for Hylyphantes graminicola, a small spider species with palaearctic distribution
See also Orientalis (disambiguation)