Unresolved name

Unresolved name: Animals » Brachiopods » Articulate Brachiopods » Orthida » Orthidiellidae «

Trematorthis Ulrich & Cooper 1938

first appearance

Paleobiology Database
lower ordovician epoch
URI: http://resource.geosciml.org/classifier/ics/ischart/LowerOrdovician

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

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Paleobiology Database

478.6 million years ago

(max)