Pterospermites imparilis

Pterospermites imparilis Hollick Profess. Pap. U.S. Geol. Surv., 182: 151. 6 Oct 1936

Name: Pterospermites imparilis
Rank: Species
Generic Name: [Genus] Pterospermites
Authors (Pub.): Hollick A.
Publication: The Tertiary floras of Alaska [1936/10]
Journal: Professional Papers / United States Geological Survey
Volume: 182
Page number: 151
Year: 1936
Fossil Status: leaves
Stratigraphy: Miocene
Location: Matanuska River, 4,200 feet below Moose Creek, Matanusk'a-Cook Inlet region (p. 89, fig. 1); Anchorage Bay, Chignik Bay, Alaska Peninsula (p. 90, fig. 1), USA
Paleoregion: America (North)
Repository: National Museum of Natural History, Smithsonian Institution, Washington, USA
Repository Number: USNM P 30009; USNM P 30010
Num: Plate 89, figure 1; plate 90, figure 1
Pub.: The Tertiary floras of Alaska [1936/10]

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