Biology:Circothecidae
From HandWiki
Short description: Extinct family of problematic fossils
| Circothecidae | |
|---|---|
Scientific classification 
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| Missing taxonomy template (fix): | Orthothecida/? |
| Family: | †Circothecidae |
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're definitely not.[2]
References
- ↑ Brasier, M. D. (1986). The succession of small shelly fossils (especially conoidal microfossils) from English Precambrian–Cambrian boundary beds. Geological Magazine, 123(3), 237–256. doi:10.1017/S0016756800034737
- ↑ Webers, G. F., & Yochelson, E. L. (1989). Late Cambrian molluscan faunas and the origin of the Cephalopoda. Geological Society, London, Special Publications, 47(1), 29–42. doi:10.1144/gsl.sp.1989.047.01.04
Wikidata ☰ Q33134215 entry
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