36 



SYNOPSIS OF AMERICAN FOSSIL BKACHIOPODA. 



[BULL. 87. 



Tablk V, — Silurian Brachiopoda. 



[A = Antiroati ; Ar=Ari8aiK; Cl-r^Clintou ; Gu = Gnelph ; MS — Mososilnrian ; N — Niagara; 

 if S — Neosilurian ; To = Tentaculite and Coralline; W := Watorlimo. Speiues preceded Cyan 

 asterisk (*) are found in the Devonian also ; by an obelisk (t), in the Ordovician.] 



Species. 



Anastrophia brevirostris (Sowerby) Hall... 



Anastropliia internascens Hall 



Anaatiophia interplicata (Hall) 



Anoplotheca hemispherica (Sowerby) 



Anoplotheca planoconvexa (Hall) 



Anoplotheca ijlicatnia (Hall) 



Athyris ( ?) solitaria Billings 



Athyris ( ?) tumidula Billings 



Athyris ( ?) turgida Sbaler 



Atry pa ( ?) gibbosa Hall 



Atrypa ( ?) lara (Billings) 



Atrypa laticomigata Foerste 



Atrypa marginalis (Dahnan) 



Atrypa nodostriata Hall 



Atrypa phoca (Salter) 



*Atrypa reticularis (Linnseus) 7. . . 



Atrypa reticularis niagarensis Nettolroth . 



Atrypa rugosa Hall 



Atrypina clintoni Hall and Clarke 



Atrypina disparilis Hall 



Atrypina intermedia Hall 



Billingsella ( ?) laurentina (Billings) 



Bilobites acutilobus (Ringueberg) 



Bilobites bilobus (Linnaeus) 



Camarella lenticularis Billings 



Camarotccchia ( ?) acinus Hall 



Camarotoechia (?) acinus convexa (Foerste). 



Caniarotcechia sequiradiata Hall 



Camarotoechia fringilla Billings 



Camarotfpchia glacialis Billings 



CamarotcEchia ( ?) indianensis Hall 



Camarotoechia ( ?) neglecta Hall 



Camarotctchia ( ?) obtusiplicata Hall 



Camarota-chia (?) whitii Hall 



Capellinia mira Hall and Clarke 



Chonetes comuta Hall 



Chouetes nova-scotica Hall 



Chonetes striatella (Dalman) 



Chonetes tenuistriata Hall 



Chonetes undulataHall 



Clintonellavagabunda Hall and Clarke 



Clorinda arcuosa (McChesney) 



Clorinda areyi (Hall and Clarke) 



Clorinda barrandii (Billings) 



Clorinda fornicata (Hall) 



Clorinda ventricosa (Hall) 



Conchidium biloculare Linnfeus 



Conchidinm colletti Miller 



Conchidium crassiradiatum (McChesney) . . , 



Eo- 

 silurian. 



Medina. 



Mesosiluriaii. 



Anti- 



costi, 



Clinton. 



CI 

 CI 

 CI 

 A 

 A 

 A 

 CI 

 A 

 CI 



CI 



CI, A 



CI 



CI 

 CI 

 A 

 A 



CI 



CI 



CI 



CI 

 A 

 CI 



Guelph, 

 Ari.saig, 

 Niagara. 



N 

 N 

 N 



Neosi- 

 lurian. 



Tentac- 

 ulite, 



Water- 

 lime. 



N 



N 



MS 



N 

 N 



N 



N 

 Ar 



N 

 N 



N 



N 

 K 

 N 

 N 

 N 



Ar, N 



N? 

 Ar 



N 



N 



N 



N 



MS 



N 



