Pinus peregrinus

Pinus pereginus Temporal range: Paleocene (Clarkforkian)
Scientific classification
Kingdom:	Plantae
Division:	Pinophyta
Class:	Pinopsida
Order:	Pinales
Family:	Pinaceae
Genus:	Pinus
Species:	†P. peregrinus
Binomial name
†Pinus peregrinus Hickey, 1977

Pinus peregrinus is an extinct species of pine in the Pinaceae family known from Clarkforkian age Paleocene fossils found in western North Dakota, USA.

The species was described from three wing seed specimens found at localities 14051a and 14083 in the Bear Den member of the Golden Valley Formation with associated needles from the Heart River Bluffs area, site 14051a, provisionally assigned to the species also. The Bear Den member outcrops at a number of sites in western North Dakota, and is designated the type locality.

The holotype specimen, number PU 20091, is preserved in the Princeton University collections, and paratype specimens are in the National Museum of Natural History collections of the Smithsonian Institution. The specimens were studied by paleobotanist Leo J. Hickey of the Yale University Geology Department. Dr Hickey published the 1977 type description for P. peregrinus in the Geological Society of America memoir 150, Stratigraphy and Paleobotany of the Golden Valley Formation (Early Tertiary) of Western North Dakota. Dr Hickey chose the specific name peregrinus, which is Latin meaning "stranger" or "newcomer" noting the species to be the first megafossil record for the pine family to be described from Rocky Mountains and Great Plains Paleocene rocks.

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