Peltandra primaeva is an extinct species of monocot in the family Araceae known from a Ypresian age Eocene fossil found in western North Dakota, USA.

[1] The Camels Butte member outcrops at a number of sites in western North Dakota, and is designated the type locality.

[1] The holotype specimen, number USNM 43184, is preserved in the National Museum of Natural History collections of the Smithsonian Institution.

Hickey published the 1977 type description for P. primaeva in the Geological Society of America memoir 150, Stratigraphy and Paleobotany of the Golden Valley Formation (Paleogene) of Western North Dakota.

[1] The holotype of Peltandra primaeva is a distal leaf portion displaying a short slightly pointed tip.