User:Stocksdale/sandbox

Stocksdale/sandbox; Temporal range: Late Carboniferous–Permian PreꞒ Ꞓ O S D C P T J K Pg N
	A transverse section through a Psaronius stem. ~12cm across.
	An equivalent section through a modern tree fern. ~6cm across.
Scientific classification
Kingdom:	Plantae
Division:	Pteridophyta
Class:	Marattiopsida
Order:	Marattiales
Family:	Psaroniaceae
Genus:	Psaronius

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Mississipian[edit]

Pennsylvanian[edit]

Rhythmites[edit]

Cyclothems[edit]

glaciers[edit]

crinoids[edit]

Blastoid[edit]

sharks[edit]

edestus[edit]

horseshoe crab[edit]

dragonfly[edit]

Lepidodendron[edit]

Psaronius[edit]

Medullosales[edit]

Macroneuropteris Alethopteris

Sphenopteris[edit]

Lyginopteris

Arthropleura and millipedes[edit]

Amphibians[edit]

Synapsid[edit]

Equisetales[edit]