Genus
Tretaspis McCoy, 1849
List of species
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Klassificering
Organism group | Biota |
Kingdom | Animalia |
Phylum | Arthropoda |
Subphylum | Trilobita |
Order | Asaphida |
Superfamily | Trinucleoidea |
Family | Trinucleidae |
Genus | Onnia |
Tretaspis | |
Species | seticornis |
Organism group | Biota |
Kingdom | Animalia |
Phylum | Arthropoda |
Subphylum | Trilobita |
Order | Asaphida |
Superfamily | Trinucleoidea |
Family | Trinucleidae |
Genus | Onnia |
Tretaspis | |
Species | seticornis |