Genus
Otarion Zenker, 1833
Selection of related publications
Öpik, A. 1927. Beiträge zur Kenntnis der Kukruse-(C2-) Stufe in Eesti. II. Tartu Ülikooli Geoloogia Instituudi Toimetused 10, 1-35.
Öpik, A. 1925. Beiträge zur Kenntnis der Kukruse-(C2-) Stufe in Eesti. I. Acta et Commentationes Universitatis Tartuensis VIII, 5, 1-18. G. Mattiesen.
List of species
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Proetida |
| Suborder | Aulacopleuroidea |
| Family | Aulacopleuridae |
| Genus | Goniopleura |
| Harpidella | |
| Otarion | |
| Species | elegantula |
| planifrons |