Cyclocrinitids
| Cyclocrinitids Temporal range:   | |
|---|---|
| Scientific classification | |
| Clade: | Viridiplantae | 
| Division: | Chlorophyta | 
| Class: | Ulvophyceae | 
| Order: | Dasycladales | 
| Informal group: | †Cyclocrinitids | 
Cyclocrinitids are an early (mid-Ordovician–early-Silurian) Dasycladalean algae, resembling but probably not closely related to the Receptaculitids.