scHUCHERT.] TABLES OF NORTH AMERICAN SPECIES. 



Table V. — Silurian Brachiopoda — Continued. 



39 



Species. 



Orthis ( ?) trinucleus Hall 



Orthostrophia ( ?) fasciata Hall 



Orthothetes hydraiilicum (Whitfield) 



Orthothetes interstriata (Hall) 



* Orthothetes subplana (Conrad) 



Orthothetes tenuis Hall 



Orthotropia dolomitica Hall and Clarke 



Parastrophia greenii Hall and Clarke 



Paras trophia latiplicata Hall and Clarke 



Parastrophia niultiplicata Hall and Clarke 



Parastrophia opa (Billings) 



Parastrophia reversa (Billings) 



Pentamerella (?) compressa Ringueberg 



Pentamerus oblongus Sowerby 



Pentamerus oblongxis cylindricus (Hall and Whitfield). 



Pentamerus oblongus maquoketa Hall and Clarke 



Pentamerus oblongus subrectus Hall and Clarke 



Pentamerus ovalis Hall 



Pentamerus pesovis Whitfield 



Pholidops ovalis Hall ^ 



Pholidops squamiformis Hall 



t Platystrophia biforata (Schlotheim) 



Plectambonites glabra Shaler 



Plectambonites producta Hall and Clarke 



tPlectambonites sericea (Sowerby) 



Plectambonites transversalis (Wahlenberg) 



Plectambonites transversalis alabamensis Foerste 



Plectambonites transversalis prolongata Foerste 



tKafinesquina ceres (Billings) 



Ratinesquina ( ?) obscura (Hall and Clarke) 



Reticularia bicostata (Vanuxem) 



Reticularia bicostata petila (Hall) 



Rhinobolus davidsoni Hall and Clarke 



Rhinobolus galtensis (Billings) 



Rhipidomella circula Hall 



Rhipidomella hybrida (Sowerby) 



Rhipidomella media (Shaler) 



Rhipidomella rhynchonelliformis (Shaler) 



Rhipidomella subcircula (Simpson) 



Rhipidomella ubera (Billings) 



Rhynchonella ( ?) argentea Billings 



Rhynchonella (?) bellaforma Nettelroth 



Rhynchonella ( ?) bidens Hall 



Rhynchonella ( ?) bidentata (Hisinger) 



Rhynchonella (?) colletti Miller 



Rhynchonella ( ?) decemplicata Sowerby 



Rhynchonella ( ?) emacerata Hall 



Rhynchonella ( ?) eva Billings 



Rhynchonella ( ?) hydraulica Whitfield 



t Rhynchonella (?) janea Billings 



Rhynchonella ( ?) Iwvis Simpson 



Rhynchonella ( ?) lamellata Hall 



Eo- 

 Silurian. 



Medina. 



Mesosilurian. 



Anti- 



costi, 



Clinton. 



CI 



A 

 A 



CI 



CI 



CI 

 A 



CI 

 CI 

 CI 

 CI 

 A 

 CI 



CI 



A 

 A 

 CI 

 A 

 A 



CI 



CI 

 CI 

 A 



A 



CI 



Guelpli, 

 Arisaig, 

 Niagara. 



N 

 N 

 N 

 N 

 N 

 N 



N 



N 



N 



N 



N 

 Gu 



N 



Neosi- 

 lurian. 



Tentac- 

 ulite, 



Water- 

 lime. 



N 



N" 



Ar 



W 

 Te 



W 



W 



To 



