94 



SMITHSONIAN INSTITUTION 



III. Geologic and Geographic 

 By genera 





c 

 .5 

 'o 



'> 

 o 

 •a 



O 



c 



.2 

 '£ 



n 



'5 

 

 > 



Q 



3 







u 



aj 



'5 

 

 .0 



u 



u 



03 



u 

 "C 



V 



E 



< 



V 



a. 

 



u 



3 



w 



a! 

 u 



V 



c 



V 









 6 



Taxocrinidae 



Onychocrinus 



Parichthyocrinus . . . 

 Taxocrinus 



) 



< 



X 

 X 



X 

 X 



X 



X 

 X 

 X 

 X 



X 

 X 

 X 

 X 

 X 

 X 



X 



X 

 X 

 X 

 X 





6 



Eutaxocrinns 



Protaxocrinus 



ICHTHYOCRINIDAE 



W achsmuthicrinus . . 



Metichthyocrinus. . . . 



Synaptocrinus 



Cieistocrinus 



Clidochirus 







> 



> 



< 



< 



X 



X 



X 



X 

 X 



X 

 X 

 X 

 X 

 X 

 X 



X 



X 

 X 

 X 

 X 

 X 



X 



X 



X 

 X 

 X 

 X 

 X 



X 

 X 

 X 









X 



10 



Sagenocrinidae 



Meristocrinus 



Temnocrinus 







X 

 X 

 X 

 X 





X 



X 

 X 



X 

 X 

 X 

 X 

 X 



5 



Lecanocrinidae 



Mespilocrinus 







X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 



X 





X 

 X 



x 



X 

 X 

 X 



X 

 X 



X 



X 



X 



■X 



X 



X 



X 

 X 



x 



I 



3 



Less duplications 



Total genera 



I 



17 



9 



13 



23 26 



31 



40 



49 



9 



18 



3i 



31 







