D. orientalis

D. orientalis may refer to:
 * Dactyloptena orientalis, the Oriental flying gurnard, a fish species found in the Indo-Pacific Oceans
 * Dactylopteryx orientalis, a praying mantis species
 * Dalbergia orientalis, a legume species found only in Madagascar
 * Dinera orientalis, a tachinid fly species in the genus Dinera
 * Dinocephalosaurus orientalis, a long necked, aquatic protorosaur species that inhabited the Triassic seas of China

Synonyms

 * Dactylorchis orientalis, a synonym for Dactylorhiza foliosa, the richly-leaved dactylorhiza, an orchid species