Genus
Circotheca Syssoiev, 1958
Selection of related publications
Berg-Madsen, V., Valent, M., Ebbestad, J. O. R. 2018. An orthothecid hyolith with a digestive tract from the early Cambrian of Bornholm, Denmark. GFF 140, 1, 25-37. DOI:10.1080/11035897.2018.1432680
List of species
1. Circotheca johnstrupi (Holm, 1893) | Cambrian Stage 3
2. Circotheca stylus (Holm, 1893) | Cambrian
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Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Hyolitha |
| Family | Circothecidae |
| Genus | Circotheca |
| Species | johnstrupi |
| stylus |