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A row of small osteoderms (skin bones) was present down the middle of the neck
No fossil leaves associated with this family have been identified in the Green River Formation yet
Some specimens occasionally possess small tubercles along the umbilical shoulder and some slight
Here is a tooth of the Jurassic crocodile Amphicotylus
Aeger tipularius
Eocene Green River Unidentified Aquatic Plant P-GRP2-16-019 Pleistocene A row of small osteodermsUnidentified 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.
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