Circothecidae
Extinct family of problematic fossils
From Wikipedia, the free encyclopedia
Circothecidae are a family of Cambrian problematica, sometimes attributed to the Hyolitha,[1] though some authors suggest (on the basis of no specified evidence) that they are definitely not.[2]
| Circothecidae | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Class: | †Hyolitha |
| Order: | †Orthothecida (?) |
| Family: | †Circothecidae |
