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Paraechmina Ulrich & Bassler 1923

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Paleobiology Database

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Paleobiology Database
loçkoviyan çağı
URI: http://resource.geosciml.org/classifier/ics/ischart/Lochkovian

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

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