Search Results - Open Polar - "Dapingian"

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Atlanticalymene, a new genus of Middle Ordovician (Darriwilian) calymenine trilobites, and revision of the calymenoidean genus Protocalymene Ross

by ADRAIN, JONATHAN M., KARIM, TALIA S., McADAMS, NEO E.B.
Published in Zootaxa (2020)
“...). They have routinely been confused with the older (Dapingian) calymenoidean taxon Protocalymene Ross, 1967...”

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The Lower Ordovician (upper Floian) bathyurid trilobite Aponileus Hu, with species from Utah, Texas, and Greenland

by ADRAIN, JONATHAN M., McADAMS, NEO E. B.
Published in Zootaxa (2012)
“...) clade phylogenetically separate from the Middle Ordovician(Dapingian) Psephosthenaspis. Species...”

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