Genus
Holotrachelus Holm, 1898
List of species
1. Holotrachelus punctillosus (Törnquist, 1884) | Upper Ordovician
Loading...
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Proetida |
| Family | Holotrachelidae |
| Genus | Holotrachelus |
| Species | punctillosus |