Pteroheterochrosperma, Smith & Greenwalt & Manchester, 2023

Smith, MacKenzie A., Greenwalt, Dale E. & Manchester, Steven R., 2023, Diverse Fruits And Seeds Of The Mid-Eocene Kishenehn Formation, Northwestern Montana, Usa, And Their Implications For Biogeography, Fossil Imprint 79 (1), pp. 37-88 : 63-65

Genus Pteroheterochrosperma gen. nov.

Ty p e. Pteroheterochrosperma horseflyensis sp. nov.

P l a n t F o s s i l N a m e s R e g i s t r y. PFN003030

(for new genus).

G e n e r i c d i a g n o s i s. Winged structure circular with dark, thick striations radiating around obovate seed body, seed body with rugulate sculpture.

E t y m o l o g y. The genus is Greek for “variegated winged seed” with “ptero-” for “wing”, “-heterochros-” for “variegated” and “-sperma” for “seed.

R e m a r k s o n g e n u s. One species in newly erected genus, preserved on tan-gray paper-shale.