Helokybe is a genus of trilobite in the family Proetidae that is known from Silurian age sediments of Nunavut Canada and the Holy Cross Mountains in Poland.[1]

References

  1. ^ Kozlowski W., Tomczykowa, E. (1999). "A new occurrence of benthic fauna in the Niewachlów Greywackes (Upper Silurian) from Zalesie near Łagów in the Holy Cross Mountains". Geological Quarterly. 43 (1): 129–126.


Allikas: http://en.wikipedia.org/wiki/Helokybe
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