GB3D Type Fossils

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Fossil specimen : BGS RX2 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Asaphida

Fossil Name Araiopleura stephani (Rushton)
Type Status Holotype
Name History

Araiopleura stephani (Rushton)

Registration No. RX2
Collector S. Jusypiw
Donor or Associated Person S. Jusypiw 1980
Held By British Geological Survey Logo British Geological Survey
Country Wales
Locality Trawsfynydd
Grid Reference Available from host institution
Rock Unit Dolgellau Formation
Biozone Acerocare
Geological Age

Merioneth Series (Cambrian Period) (485.4 – 499 Ma B.P.)

[Closest ICS interval: Furongian Epoch – Cambrian Series 3 ]


Rushton in Bassett & Dean. 1982. Cambrian-Ordovician Boundary. NMW Geol Series pl. 4 figs. 13&14

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