Calamites pith cast
Carboniferous
Carboniferous
Calamites pith cast
Carboniferous
Calamites outer bark
Carboniferous
Calamostachis
Carboniferous
Annularia with Calamostachis
Carboniferous
Sphenophillum
Lepidodendron aculeatum
Carboniferous
Carboniferous
Lepidodendron aculeatum bark
Carboniferous
Lepidodendron bark
Carboniferous
Lepidodendron aculeatum coalified bark
Carboniferous
Lepidodendron bark
Carboniferous
Lepidodendron bark
Carboniferous
Lepidodendron branch
Carboniferous
Lepidodendron aculeatum
Carboniferous
Lepidostrobus
Carboniferous
Lepidophloios stem
Carboniferous
Lepidofloios (Halonia tortuosa)
Carboniferous
Lepidophloios (Halonia) bark
Carboniferous
Decorticated Bothrodendron
Carboniferous
Fern branches plate
Carboniferous
Pecopteris (seed fern)
Carboniferous
Sigillaria bark
Carboniferous
Sigillaria
Carboniferous
Sigillaria rugosa
Carboniferous
Brachiopoda
Carboniferous
Brachiopoda
Carboniferous
Brachiopoda
Carboniferous
Cordaites leaf
Carboniferous
Cordaites leaf with Spirorbis shells
Carboniferous
Stigmaria
Carboniferous
Stigmaria
Petrified stem fragments
Devonian
Devonian petrified wood
Devonian
Devonian
Devonian petrified wood
Devonian
Lepidodendropsis branch print
Devonian
Lepidodendropsis branch prints
Devonian
Lepidodendropsis bark
Lepidodendropsis prints
Devonian