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Kailidiscus

first appearance

Paleobiology Database

513 un milion d'agn fa

(max)
Paleobiology Database
età cambrian-a stadi 4
URI: http://resource.geosciml.org/classifier/ics/ischart/CambrianStage4

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

smon-e tute j'argistrassion