Trilobita
Species

Calyptaulax norvegicus Størmer, 1945

Classification
Organism groupBiota
KingdomAnimalia
PhylumArthropoda
SubphylumTrilobita
OrderPhacopida
SuborderPhacopina
FamilyPterygometopidae
GenusCalyptaulax
Subgenus(Homalops)
Speciesnorvegicus