Orthotheca
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| Orthotheca Temporal range: | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Brachiopoda |
| Class: | †Hyolitha |
| Order: | †Orthothecida |
| Family: | †Orthothecidae Sysoev, 1958 |
| Genus: | †Orthotheca Novák, 1886 |
| Species | |
Others, please add... | |
Orthotheca is a genus of sessile bottom-dwelling hyolith.[1]
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