32 



SYNOPSIS OF AMERICAN FOSSIL BRACHIOPODA. 



[bull. 87. 



Table I^^ — Ordovician Brachiopoda — Continued. 



Species. 



Eoordovician. 



Mesoorflo- ] Neoordo- 

 vlcian. vician. 



Calcil'er- 

 ous. 



Cliazv. 



Trenton, Cincin- 

 Blacklliver, nati, 

 Uirdseye. | Utica. 



Orthis (!) centriliueata Hall 



Ortliis corinna Billings 



Orthis costalis Hall 



Orthis ( ?) delicatiiLi Billings 



Orthis ( ?) desmoplenra Meek 



Orthis ( ?) endocia Billings 



Orthis onryono Billings 



Orthi.s liippolyto Billings 



Orthis (?) holstoiii (Safford) Hall 



Orthis ( ?) leptiPnoides Emmons 



Orthis menapisB Hicks 



Orthis ( ?) niinna Billings 



Orthis ( ?) morrowensis James 



Orthis ( ?) mycale Billings 



Orthis pandei-iana Hull 



Ortliis ( .') pigra Billings 



Orthis (?) porcia Billings 



Orthis (?) pnmila TTlrich 



Orthi.s ( ?) saffordi Hall and Clarke 



Orthis ( ?) sola Billings 



Orthis tricenaria Conrad 



Orthis ( ?) tritonia Billing.s 



Ortliorli ynchula linneyi (James) 



Parastrojiliia di vergens Hall and Clarke 



Parastrophia hemiplicata Hall 



Parastrophia heniiidicata rotunda (AVimhell and Scliuch- 



ert ) 



Parastrophia obscura (Hall and Whitfield) 



Parastrophia scofieldi (Winchell and Schucliert) 



Patfrula amii Schnchert 



Pholidops ciucinuatiensis Hall 



Pholidop.s siibtruncata Hall 



Pholidops trentonensis Hall 



Pliolidops trentonensis minor Winclu-U aii<l Schiulinrt. . . 



Platystropliia acuminata James 



Platystropliia acutilirata ((Jonrad) 



* Platystropliia biforata (Schlotheim) 



Platystropliia crassa (James) 



Platystropliia laticost;ita ileek 



Platystrojihia lynx (Eichwald) 



Plectaiubonites gibbosa Winchell and Sclnichert 



Pleotambonites plicatella (T'lricli) 



* Plwtambonites sericea (.Soweiby) 



Plectorthis icquivalvis Hall 



Plectorthis dicliotomaHall 



Plectorthis ella Hall 



Plectorthis fissicosta Hall 



Plectorthis jamesi Hall 



Plectorthis kankakcusis (McChesney) 



Plectorthis plicatella Hall 



Plectorthis sectostriata (l^lrich) 



Plectorthia triplicatella (Meek) 



X? 



X 

 X 

 X 



X 



BPv, T 



BR,T 



Ci 



Ci 



Ci 



Ci 



Ci 



(;;! 



• Ci 

 Ci 

 Ci 

 Ci 



• U 

 U,Ci 

 Ci 

 Ci 

 Ci 

 Ci 

 Ci 

 Ci 

 U, Ci 

 Ci 

 Ci 



