19G 



NEW YORK STATE MUSEUM 



b o i d a 1 i s [fig. 125] ; Stropheodonta inaequiradi- 

 a t a [fig. 126], a very convex species witk skarp striae, alternat- 

 ingly coarse and fine; 8. kemispkerica [fig. 127], a large, 

 robust and strongly convex species and Str-opkonella 

 a m p 1 a [fig. 9S], already noted in the account of the Sckokarie 

 grit fossils. 



Among tke Spirifers are : S p i r i f e r duodenarius [fig. 

 128], recognized by its extended kinge line and broadly rounded 

 plications, togetker witk well marked concentric lamellose lines 

 wkick are strong however in tke best preserved specimens only. 



Tke species is also abundantly represented by molds in tke Scko- 

 karie grit. S p . acumi n a t us [fig. 129], one of tke large and 

 most robust species in tins formation witk a very prominent and 

 skarp sinus in tke pedicle and corresponding strong elevation in 

 tke brachial valve 4 , forming a pronounced anterior deflection witk 

 plications flatly rounded and with a depression down tke center ; 

 and S p . d ivaricatus [fig. 130], still larger tkan tke pre- 

 ceding and with tke plications extending over tke sinus and tke 

 indistinct fold. 



Other common brackiopods in this formation are: Meris- 

 t e 1 1 a n a s u t a [fig. 131], recognized by its subquadrangular 

 outline, strongly incurved beak of pedicle valve and pronounced 

 anterior nasute extension; rent ago nia uni sulcata 



Fig. 127 Strop heodouta hemisph erica 



