Eocene Green River Bursera P-GRP2-16-028 Eocene This is an excellent example

This is an excellent example of the microconch form of H

one near the umbilicus and the second approximately two-thirds of the distance from the umbilicus toward the ventral edge

and hunting in packs

The ammonite shows sign of injury pathology and makes this specimen of particular interest

Eocene Green River Bursera P-GRP2-16-028 Eocene This is an excellent exampleBursera inaequalateralis Green River Formation Middle Eocene Lincoln County, Wyoming This is beautiful example of Bursera. It has distinctive venation and a semi serrate margin. The leaf is 14 cm long and very attractive. It is from the 18 inch layer. Bursera, named after the Danish botanist Joachim Burser (1583 1639), is a genus with about 100 described species [2] of flowering shrubs and trees varying in size up to 25 m (82 ft) high. They are native