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Pygocephalomorpha Beurlen 1930

last appearance

Paleobiology Database

254.17 million years ago

(min)
Paleobiology Database
wuchiapingian age
URI: http://resource.geosciml.org/classifier/ics/ischart/Wuchiapingian

Attribution: International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale

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