| Cyclocrinitids Temporal range: | |
|---|---|
Scientific classification  | |
| (unranked): | Viridiplantae |
| Division: | Chlorophyta |
| Class: | Ulvophyceae |
| Order: | Dasycladales |
| Informal group: | †Cyclocrinitids |
Cyclocrinitids are an early (mid-Ordovician–early-Silurian)[1] Dasycladalean algae, resembling but probably not closely related to the Receptaculitids.[2][3]
References
- ↑ Beadle, S. C. (1991). "Cyclocrinitids". Calcareous Algae and Stromatolites. pp. 114–124. doi:10.1007/978-3-642-52335-9_6. ISBN 978-3-642-52337-3.
- ↑ Beadle, Steven C. (1988). "Dasyclads, cyclocrinitids and receptaculitids: Comparative morphology and paleoecology". Lethaia. 21: 1–12. doi:10.1111/j.1502-3931.1988.tb01745.x.
- ↑ Nitecki, Matthew H.; Webby, Barry D.; Spjeldnaes, Nils; Yong-Yi, Zhen (2004). "31. Receptaculitids and Algae". The Great Ordovician Biodiversification Event. pp. 336–347. doi:10.7312/webb12678-032. ISBN 9780231126786.
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