Cyclocrinitids

Cyclocrinitids are early (mid-Ordovician–early-Silurian)^[1] Dasycladalean algae, resembling but probably not closely related to the Receptaculitids.^[2][3]

Cyclocrinitids Temporal range: Middle Ordovician – Early Silurian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Plantae
Division:	Chlorophyta
Class:	Ulvophyceae
Order:	Dasycladales
Informal group:	†Cyclocrinitids