ECHINODEKMATA. 



Acrosalenia 



Actinocrinus 



Agelacrinus 

 Ananchytes (genus 

 Cre- 



- decorata - 

 hemicidaroides 

 minuta 



- pulcher 

 triacontadac- 



tylus 



- Buchianus 



M. Oolite. 

 L. Oolite, 

 L. Lias. 

 U. Silurian. 



Cor. Oo. 

 for Marb. 



Wenlock. 



j Carboniferous. 

 - L. Silurian. Bala. 



