Lepidodendron, Calamites, & Sigillaria Fossil Plants Tyrannosaurus Rex and developed into a new

and developed into a new direction with increase molar size and ridge-like dental features

Parasaurolophus lived during the late Cretaceous period

Despite the name

portion of upper jaw 10 x 11 inches

Lepidodendron, Calamites, & Sigillaria Fossil Plants Tyrannosaurus Rex and developed into a newLepidodendrons belong to one of the earliest major plant groups, the clubmosses. They were one of the major species living in the Carboniferous Period coal forest swamps. Because of the diamond shaped leaf scar patterns in their bark they were also known as a scale tree. Other isolated parts of the plant are given other names. Lepidostrobus (or strobili) are the spore containing cones which are found at the ends of the branches. The root sections are