Trilobita
Genus

Varvia Tjernvik, 1956

Luokittelu
Organism groupBiota
KingdomAnimalia
PhylumArthropoda
SubphylumTrilobita
OrderAsaphida
SuperfamilyCyclopygoidea
FamilyNileidae
GenusNileus
Symphysurus
Varvia
Speciesbreviceps
longicauda