|  Order Summary for Comatulida  | 
|  | 
|   Main Ref.  | : |  | |||||
|   Order  | : | Comatulida  | |||||
|   Class  | : | Crinoidea | |||||
|   Sister Order  | : |   M years | |||||
|   Ref.  | : | 
														 | 
													 | |||||
|   First Fossil Record | : |  | |||||
|   Occurs in   | : |  | Marine |  | Fresh |  | Brackish | 
|   Remark  | : | ||||||
|   Class etymology  | : | ||||||
|   Order etymology  | : | ||||||
|   Families | : | ( n =  ) -  Antedonidae Asterometridae Atelecrinidae Bathycrinidae Calometridae Charitometridae Colobometridae Comasteridae Comatellinae Comatulidae Eudiocrinidae Guillecrinidae Himerometridae Mariametridae Notocrinidae Pentametrocrinidae Phrynocrinidae Thalassometridae Tropiometridae Zenometridae Zygometridae | |||||
|  | 
|  | 
|  |