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#paleoart #sciart #Horseshoecrab #polonolimulus #triassic #fossilfriday #Paleontology

Polonolimulus zaleziankensis Horseshoe crab

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Polonolimulus zaleziankensis !

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#paleoart #sciart #Horseshoecrab #polonolimulus #triassic #fossilfriday #Paleontology

The highest similarity of #Polonolimulus to Early Triassic Australian forms - suggests rapid (or earlier) diversification and, together with its discovery within marine-influenced deposits, challenges the idea these extreme forms were fully freshwater-adapted. #Fossils #Triassic #Xiphosurida