O. grandis

O. grandis may refer to:

Ocyale grandis, a wolf spider species in the genus Ocyale found in Togo, Congo and Namibia
Oenothera grandis, a herbaceous flowering plant species in the genus Oenothera
Oldenburgia grandis, a small gnarled tree species found in South Africa
Onobrychis grandis, an Eurasian perennial herb species in the genus Onobrychis
Oocorys grandis, a large sea snail species
Opesia grandis, a fly species in the genus Opesia
Ophiacodon grandis, an extinct large pelycosaur species found in Joggins, Nova Scotia, Canada and that lived in the early Permian
Orthogeomys grandis, the giant pocket gopher, a rodent species found in Guatemala, Honduras and Mexico
Oudenodon grandis, an extinct dicynodont species common throughout southern Africa during the Late Permian

See also