Pleurocystites squamosus

Pluerocystites ("rib bag" or "side bladder") is a prehistoric genus of echinoderm from the Ordovician period of Europe and North America. It fed on floating particles and grew up to 2 centimeters in length.

In The Land Before Time

Pluerocystites TLBT

Pluerocystites in The Land Before Time Animated Moviebook.

Pluerocystites briefly appears in one of the minigames of the game The Land Before Time Animated Moviebook.

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