508 



NEW YORK STATE MUSEUM 



SYNOPTIC TABLE OF THE RANGE OF THE GENERA OF THE CAMBRIC AND LOWER CHAMPLAINIC 



OF NEW YORK 



•IH 

 O 



a 



■^ 



13 

 O 

 X 



< 



Pi 



c8 

 O 



O 



o 



X 



< 



Dictyonema 



Desmograptus 



Dendrograptus 



Callograptus 



Ptilograptus 



Bryograptus 



Staurograptus 



Temnograptus 



Goniograptus 



Loganograptus 



Dicliograptus 



Tetragraptus 



Pliyllograptus 



Didymograptus 



a) horizontal series 



b) declined series 



c) dependent series 



d) reclined series 

 Sigmagraptus 



^ Strophograptus 

 Diplograptus 

 Glossograptus 

 Trigonograptus 

 Climacograptus 

 Retiograptus 

 Dawsonia 

 Caryocaris 



Zone of 



Diet. 



flabelli- 



f or me 



Zone of Tet. 



Zone of 

 Did. bifidus 



Zone of 

 Dipl. dentatus 



Bed 1 Bed 2 Bed 3 Bed .5 Mt Beds 6-7 



Deep Kill Deep Kill Deep Kill Deep Kill Moreno Deep Kill 



