Unresolved name

Unresolved name: Hemichordata » Pterobranchia » Graptoloidea » Climacograptidae «

Styracograptus

last appearance

Paleobiology Database

443.4 million years ago

(min)
Paleobiology Database
upper ordovician epoch
URI: http://resource.geosciml.org/classifier/ics/ischart/UpperOrdovician

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

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