#euarthropada — Public Fediverse posts

#Trilobites were primeval #arthropods, still unknown whether they belong to the ancestor lineage of #Chelicerata or all #Euarthropada. Besides their body segmentation, they possess #compoundeyes. #Asaphus #kowalewskii lived in the Ordovician and had #stalkedeyes, allowing it an overview of its surroundings even when covered with sediment.
©#StefanFWirth

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Reading
B.Schoenemann (2021)
https://doi.org/10.1016/j.asd.2021.101032

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