Unresolved name

Unresolved name: Lamp Shells » Rhynchonellata » Athyridida » Athyrididae «

Posicomta

first appearance

Paleobiology Database
artinskian age
URI: http://resource.geosciml.org/classifier/ics/ischart/Artinskian

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

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Paleobiology Database

290.1 million years ago

(max)