| Conotheca Temporal range:  | |
|---|---|
| Scientific classification  | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Superphylum: | Lophotrochozoa | 
| Class: | †Hyolitha | 
| Order: | †Orthothecida (?) | 
| Family: | †Circothecidae | 
| Genus: | †Conotheca Rozanov et al. 1969[1] | 
References
- ↑  "†Conotheca Rozanov et al. 1969". FossilWorks. Retrieved 17 December 2021. Hyolitha - Orthothecida - Circothecidae 
- ↑ Raaben, R (1981). The Tommotian Stage and the Cambrian lower boundary problem. New Delhi, India: Amerind. Publ.
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