40 



SYNOPSIS OF AMERICAN FOSSIL BKACHIOPODA. 



[BULL. 87. 



Table V . — Silurian BracMopoda — Continued . 



Species. 



Kliynchonella ( ?) nucula (So werby) 



Khyiichonella ( ?) nutrix Billings 



Kliynchonella ( ?) pisa Hall and Wliitiield . . . 



Kliynilionella ( .') plicata Hall 



Rhynchonella ( ?) plicatella (LinniBu.s) 



Rhynchonella ( ?) pyrrha Billing.^ 



Rbyuchonella ( ?) robusta Hall 



KhynoLonella ( ?) rugsecosta Nettelroth .'. 



Rbynchonella ( ?) tennesseensis Roemer 



Rhynchonella (?) vicina Billings 



Rhynchospira ( ?) acadia?, (Hall) 



Rhynchospira ( ?) helena (Nettelroth) 



Rhynchospira ( ?) sinuata Hall -■- .. 



Rhyuchotreta cuneata americana Hall 



Scenidium pyramidale Hall 



Schizophoria senecta Hall and Clarke 



Schizotreta tenuilamellata Hall 



Spirifor asperatus Ringueberg 



Spirifer crispatus Hall and Clarke 



Spirifer crispua (Hisinger) 



Spirifer crispus simplex Hall 



Spirifer dubius Nettelroth 



Spirifer eudorus Hall 



Spirifer foggi Nettelroth 



Spirifer gibbosus Hall 



Spirifer niagarensis (Conrad) 



Spirifer niagarensis oligoptychus Roemer . . . 



Spirifer nobilis Barrande 



Spirifer radiatus Sowerby 



Spirifer rostellum Hall and "Whitfield 



Spirifer similior Winchell and Marey 



Spirifer subsulcatus Hall 



Spirifer vanuxemi Hall 



Streptis grayi Davidson 



Stricklandinia anticostiensis Billings 



Stricklandinia billingsana Dawson 



Stricklandinia brevis Billings 



Stricklandinia canadensis Billings 



Stricklandinia castellana "White 



Stricklandinia chapmani Hall and Clarke . .. 



Stricklandinia davidsoni Billings 



Stricklandinia deformis Meek and "Worthen. 



Stricklandinia gaspensia Billings 



Stricklandinia lens (Sowerby) 



Stricklandinia lirata Billings 



Stricklandinia (?) louisvillensis Nettelroth.. 



Stricklandinia melissa Billings 



Stricklandinia multilirata "Whitfield 



Stricklandinia salteri Billings 



Stricklandinia triplesiana Foerste 



Stropheodonta acanthoptera ( Whiteaves) 



Stropheodonta corrngata Conrad 



Eo- 

 sllurian. 



Meaosilurian. 



Medina. 



Anti- 



costi, 



Clinton. 



I 



Guelph, 

 Arisaig, 

 Niagara. 



A 



A 



CI 



CI 



CI 



A 



CI 



A 

 CI 



CI 



N 



N 



N 



N 

 N 



Ar 



N 



Ar 



N 



N 



Neosi- 

 liirian. 



N 



N 



N 



N 



N? 



N 

 "N 



N 



N 



N 



N 



N 



N 



N 

 Ar 



Ar 



N 

 N 



N 



N 



N? 



N 



Gu 



N? 



Tentac- 

 ulito, 



Water- 

 lime. 



Te 



Te 



