Lepidodendron, Calamites, & Sigillaria Fossil Plants Stegosaurus included in the heteromorph ammonites

included in the heteromorph ammonites

had an oval outline

Clovis points are characterized by concave longitudinal shallow grooves called "flutes" on both faces one third or more up from the base to the pointed tip

This educational set showing the Evolution of the Horse Hoof has 6 sets of fore and hind foot casts

Lepidodendron, Calamites, & Sigillaria Fossil Plants Stegosaurus included in the heteromorph ammonitesLepidodendrons 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