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by Stratigraphy.net
New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

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WALLISEROPS: JOUST A PLAISANCE

A beautiful detail of a Walliserops, a genus of spinose phacopid trilobite of the family Acastidae found in the Lower to Middle Devonian strata near Foum Zguid, Tata Province, Souss-Massa, southeastern Morocco.

Their wee horns or tridents suggest sexual dimorphism though this concept is still a hotbed of debate. Did they use them much as we used a traditional jousting lance back in the 14th century? It is an interesting proposition.  

Kudos and photo credit to Gianpaolo Di Silvestro 

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