FORMATIONS OF ORDOVICIAN AGE. 
14. 
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Proetus brevimarginatus n. sp. 
Calymene senaria Con. 
fossiliferous limestone. 
. Lingula sp. undet. 
. Strophomena incurvata (Shep. ) 
. Rafinesquina alternata (Emm. ) 
. Plectambonites sericeus (Sow.) 
. Dalmanella testudinaria (Dal.) 
. Zygospira recurvirostris (Hall) 
. Clenodonta sp. undet. 
. Modiolopsis faba (Con.) 
. Goniophora carinatus (Hall) 
. Protowarthia cancellata (Hall) 
. Bucania punctifrons Emm. 
. Hormotoma saltert Ulr. 
. Orthoceras sp. undet. 
. Bumastus trentonensis (Kmm.) 
. Pterygometopus callicephalus (Hall) (f). 
fossiliferous limestone. 
. Prasopora simulatrix Uly. 
. Strophomena incurvata ( Shep.) 
. Rafinesquina alternata (Emm.) 
. Plectambonites sericeus (Sow.) 
. Dalmanella testudinaria (Dal.) 
. Zygospira recurvirostris (Hall) 
. Protowarthia canceilata (Hall) 
. Liospira micula (Hall) 
. Hormotoma saltert Uly. 
. Orthoceras 
. Isotelus gigas De Kay 
. Proetus latimarginatus n. sp. 
. Calymene senaria Con. 
fossiliferous limestone. 
Plectambonites sericeus (Sow.) 
Dalmanellu testudinaria (Dal.) 
Zygospira recurvirostris (Hall) 
Clenodonta sp. undet. 
(1). 
(1). 
16. Pterygometopus callicephalus (Hall) (r). 
(t). 
(1). 
(1). 
(aa). 
(c). 
(f). 
(1). 
(r). 
(1). 
(f). 
(1). 
(c). 
(f). 
(r). 
(r). 
(r). 
(1). 
(c). 
(f). 
(f). 
(1). 
(c). 
(in); 
(f). 
(zr 
(ie) 
(aa). 
(f). 
(1). 
(v). 
Wt. 4) 
Game 
Oeame 
