Ryan Somma:
The Burgess Shale
Ryan Somma:
Smithsonian National Museum of Natural History
Ryan Somma:
Tyranosaurus Rex
Ryan Somma:
Life in the Silurian
Ryan Somma:
Crinoids
Ryan Somma:
Tremanotus chicagoensis
Ryan Somma:
Illaenus tauricornis
Ryan Somma:
Life in the Silurian
Ryan Somma:
Flexycalymene meeki
Ryan Somma:
Brachiopods
Ryan Somma:
Amino Acid
Ryan Somma:
The Oldest Rocks
Ryan Somma:
Life in the Ordovician
Ryan Somma:
Sea pen?
Ryan Somma:
Life in the Ediacaran Sea
Ryan Somma:
Stromatolite
Ryan Somma:
Triceratops
Ryan Somma:
Life in the ???
Ryan Somma:
Tyranosaurus Rex
Ryan Somma:
Trilobyte Growth
Ryan Somma:
Tyranosaurus Rex
Ryan Somma:
Trilobyte Growth
Ryan Somma:
Misc Fossils
Ryan Somma:
Brachiopod Basics
Ryan Somma:
Ordovician Period
Ryan Somma:
Jawless fish
Ryan Somma:
Jawless fish
Ryan Somma:
Ichthyodectes anaides
