Pteroheterochrosperma horseflyensis MacK.A.Sm., Greenwalt et Manchester

Plant Fossil Names Registry Number: PFN003031

Act LSID: urn:lsid:plantfossilnames.org:act:3031

Authors: M. K. A. Smith, D. Greenwalt & S. R. Manchester

Rank: species

Genus: Pteroheterochrosperma MacK.A.Sm., Greenwalt et Manchester

Reference: Smith, M. K. A., Greenwalt, D. & Manchester, S. R. (2023): Diverse fruits and seeds of the mid-Eocene Kishenehn Formation, northwestern Montana, USA, and their implications for biogeography. – Fossil Imprint 79(1): 37–88.

Page of description: 65

Illustrations or figures: text-fig. 12a

Name is type for

Pteroheterochrosperma MacK.A.Sm., Greenwalt et Manchester 2023

Types

Holotype USNM PAL 722530, National Museum of Natural History, Smithsonian Institution, Washington, D.C., United States
Figures: text-fig. 12a

Original diagnosis/description

Winged structure circular; wing has thick striations (up to 0.1 mm) radiating around seed body starting from the seed body and mostly terminating at the margin of the wing, some striations bifurcating; seed body obovate with rugulate sculpture.

Etymology

The specific epithet is for the Horsefly, British Columbia where the first fossils of this species were described.

Stratigraphy

Paleogene, Eocene, Lutetian
Kishenehn Formation, ca. 44 Ma

Locality

United States
Dakin Site

Plant fossil remain

macro- and meso-fossils-embryophytes except wood

Comments

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