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names in breadcrumbs
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names in breadcrumbs
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Creatures
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Kirkbyellidae Sohn 1961
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Body symmetry
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mineralized skeleton contains
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Paleobiology Database
katian age
URI:
http://resource.geosciml.org/classifier/ics/ischart/Katian
Attribution:
International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale
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Paleobiology Database
449.5 million years ago
(max)