Dimetrodon limbatus (specimen 02)

Partial dimetrodon sail spine process (D. limbatus) from the early Permian period

Dimetrodon limbatus (specimen 01)

Juvenile dimetrodon claw (D. limbatus) from the early Permian period

Partial tully monster (T. gregarium) in nodule from the middle Pennsylvanian sub-period

Polychaete worm (D. cordylina) in nodule from the middle Pennsylvanian sub-period

Fossilised synapsid footprint (Chelichnus sp.) from the early Permian period

Crinoid crown (P. alexanderi) on hash plate matrix from the Mississippian sub-period

Crinoid stem segment (Crinoidea sp.) from the Carboniferous period

Willow leaf impressions (Salix sp.) in clay from the Cretaceous period

Petrified conifer wood (Pinopsida sp.)

Petrified rainbow wood (A. arizonicum) from the late Triassic period