Rocks and fossils at Houston Museum of Natural Science - Zoltán Sylvester
Ichtyosaur (Stenoptygerius quadriscissus)
Posidonia Shale, Jurassic
Holzmaden, Germany

Ichtyosaur (Stenoptygerius quadriscissus)
Posidonia Shale, Jurassic
Holzmaden, Germany

geologyfossils