LOWEE CARBONIFEROUS FOSSILS. 485 



Table showing the range of Lower Carboniferous species — Continued. 





Number of bed. 





24 



25 



26 



27 



28 



29 



30 



31 



32 





















x 





X 



























X 









































X 





























X 

 X 













Orthotbetes mieqiialis ' X 



X 



X 



X 



X 



X 



■ X 



x 



Derbya keoknk (?) ' 















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 







Prodnctella coopereusis | X 









X 















X 





X 















X 

 X 



X 



X 





Productus gallatinensis n. sp 



X 

 X 



X 



X 

 X 



X 



X 

 X 

 X 









X 

 X 

 X 

 X 

 X 



X 

 X 



X 

 X 



X 



Productus sernireticulatus 



X 





X 

 X 



X 

 X 













X 



X 



X 

















X 





X 





X 











X 







Liorhynchus liagnei n. sp 



X 

 X 

 X 

 X 















X 



X 

 X 

 X 



X 



X 

 X 

 X 

 X 



X 



X 

 X 











X 

 X 



X 

 X 



X 

 X 









Spirifercentrouatusvar. seinifurcatusu.var 

























X 

























X 















X 







Spirifer striatus var. madisonensis n. var. .. 

 Martini a rostrata n. sp 



X 

 X 

 X 















X 

 X 

 X 



X 

 X 



X 

 X 







X 

 X 



X v 





X 

 X 



X 



X 











x 



X 













Relicularia ( ?) eubrotundata 

















Syrin gotliyris carteri 



X 



X 















