Eostangeria pseudopteris Kvacek & Manchester. Leaflet with cuticle. HOLOTYPE from the Paleocene of Little Bitter Creek, Wyoming. Figure 1A in Kvacek, Z. & S.R. Manchester, 1999. Eostangeria Barthel (Extinct Cycadales) from the Paleogene of Wester North America and Europe. International Journal of Plant Science 160(3):621-629.