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Sheppardiconcha W. B. Marshall & Bowles 1932

first appearance

Paleobiology Database
miocene epoch
URI: http://resource.geosciml.org/classifier/ics/ischart/Miocene

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

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Paleobiology Database

23.03 million years ago

(max)