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Isostylus Ernst, Dorsch & Keller 2011

first appearance

Paleobiology Database

407.6 million years ago

(max)
Paleobiology Database
emsian age
URI: http://resource.geosciml.org/classifier/ics/ischart/Emsian

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

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