32 



SYNOPSIS OF AMERICAN FOSSIL BRACHIOPODA. 



[bull. 87. 



Table I^'. — Ordonvian Brachiopoda — Contiuued. 



Species. 



Orthis ( '.) centrilineata Hall 



Orthis corjnna Billings 



OrtliiH rnstali.s Hall 



Orthis ( .') delicatula Billiugs 



OrtLis ( ?) desmoplenra Meek 



Orthis ( ?) eudocia Billings 



Orthis euryoue Billings 



Orthis hippolyte Billings 



Orthis (?)holstoni (Safford) Hall 



Orthis ( ?) leiitoenoides Emmons 



Orthis inenapise Hicks 



Orthis ( ■) minna Billings 



Orthis ( .') morrowensis James : 



Orthis (?) mycale Billings 



Orthis pandcriana Hall 



Orthi.s ( ?) pigra Billings 



Orthis ( ?) porcia Billings 



Orthis ( ?) pumila tjlrich 



Orthis ( ?) saflbrdi Hall and Clarke 



Orthis (?) sola Billings 



Orthis tricenaria Conrad 



Orthis ( ?) tritonia Billings 



Orthorh ynchula linneyi (James) 



Parastrophia divergens Hall and Clarke 



Parastrophia hemiplicata Hall 



Parastrophia hemii)licata rotunda (Wiuchell and Schuch- 



ert ) 



Parastrophia obscura (Hall and "Whitfield) 



Parastrophia scofieldi (Winchell and Schuchert) 



Paterula amii Schuchert 



Pholidops cincinuatiensis Hall 



Pholidops subtruncata Hall 



Pholidops trentonensis Hall 



Pholidops trentonensis minor Winchell and Schuchert 



Platystrophia acuminata James 



Platystrophia acutilirata (Conrad) 



* Platystrophia biforata (Schlotheim) 



Platystrophia crassa (James) 



Platystrophia laticostata Meek 



Platystrophia lynx (Eich'svald) 



Plectambonites gibbosa Winchell and Schuchert 



Plectambonites plicatella (Ulrich) 



* Plectambonites sericea (Sowerby) 



Plectorthis aequivalvis Hall 



Plectorthis dichotoma Hall 



Plectorthis ella Hall 



Plectorthis flssicosta Hall 



Plectorthis jamesi HaU 



Plectorthis kankakeusis (McChesney) 



Plectorthis plicatella Hall 



Plectorthis sectostriata (Ulrich) 



Plectorthis triplicatella (Meek) 



Eoordoviciaii 



Calcil'er- 

 ous. 



X? 



X 



X 



X 



X 



Chazy. 



Mfisoordo- ' 

 vician. 



Trenton, 



Black River, 



Birdseye. 



Nooordo- 

 vioian. 



Cincin- 

 nati, 

 Utica. 



Ci 



X 



X 



X 



x 



T 

 T 



X 

 X 



T 



T 



T 

 T 



BE, T 



BR, T 



Ci 



Ci 



Ci 

 Ci 



Ci 

 Ci 



Ci 

 Ci 

 , Ci 

 Ci 

 Ci 

 Ci 



U 

 I'.Ci 

 Ci 

 Ci 

 Ci 

 Ci 

 Ci 

 Ci 

 U,Ci 

 Ci 

 Ci 



