O. grandis may refer to:
- Ocepeia grandis, an extinct Afrotherian mammal from the Paleocene epoch of Morocco
- 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, a 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
Topics referred to by the same termThis disambiguation page lists articles associated with the same abbreviated species scientific name. If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: