Eocene Green River Unidentified Aquatic Plant P-GRP2-16-019 Pleistocene are a large and economically

are a large and economically important family of flowering plants

This specimen is one of the finest that we have ever collected

with the other genera being considered as synonyms or reclassified as diplodocines

Some specimens occasionally possess small tubercles along the umbilical shoulder and some slight

Eocene Green River Unidentified Aquatic Plant P-GRP2-16-019 Pleistocene are a large and economicallyUnidentified Aquatic Plant Ceratophyllum (?) Green River Formation Middle Eocene Lincoln County, Wyoming This specimen is a section of an aquatic plant with possible affinities to Ceratophyllum. The segment is 4 cm long and appears to have a spiral arrangement of the leaflets.