Genus
Cyrtometopella Nikolaisen, 1961
Aiheeseen liittyvät julkaisut
Eichwald, E. 1842. Neuer Beitrag zur Geognosie Estlands und Finlands. Die Urwelt Russlands, durch Abbildungen erlautert. Zweites Heft, pp. 1-138, plate I-III.
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Phacopida |
| Suborder | Cheirurina |
| Family | Cheiruridae |
| Subfamily | Cheirurinae |
| Genus | Atractocybeloides |
| Ceraurinella | |
| Cheirurus | |
| Cyrtometopella | |
| Species | aries |
| askerensis | |
| tumula | |
| Genus | Didrepanon |
| Hadromeros | |
| Ktenoura | |
| Laneites | |
| Paraceraurus | |
| Radiurus | |
| Xylabion |