36 



SYNOPSIS OF AMERICAN FOSSIL BRACHIOPODA. 



[Bl'LL. 87. 



Tahle V. — Silurian Brachiopoda. 



[A = Aiiticosti ; Ar^Arisaig; ("1 -^ Clinton ; Gu^=Guelph ; MS ^Megosilnrian ; N=- Niagara; 

 NS^Xeosihirian ; T(! - Tentaculito ami (Jorallinti; W ;= Waterlinio. Species i>re('eded by an 

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



Species. 



Anaatrophia brevirostris (Sowerby) Hall... 



Aiiastropliia intcruascens Hall 



Anastrophia interplicata (Hall) 



Anoplotheca bemiapherica (Sowerby) 



Anoplotheca planoconvexa (Hall) 



Anoplotheca plicatula (Hall) 



Athyris ( .') solitaria Billings 



Athyria ( ?) tumidula Billings 



Athyris ( ?) turgida Shaler 



Atrypa ( ?) gibbosa Hall 



Atrypa ( ?) lara (Billings) 



Atrypa laticorrugata Foerste 



Atrypa marginalia (Dabnan) 



Atrypa uodostriata Hall 



Atrypa phoca (Salter) 



*Atrypa reticularis (Linnseus) 



Atrypa reticularia niagarensis Xettclroth . 



Atrypa rugosa Hall 



Atrypiua clintoni Hall and Clarke 



Atrypina disparilis Hall 



Atrypina intermedia Hall 



Billingsella ( ?) lanrentina (Billings) 



Bilobites acutilobus (Ringueberg) 



Bilobites bilobus ( J.inna>iis) 



Camarella lenticiilaris Billings 



Camarotoechia ( ?) acinus Hall 



Camarotrecbia ( ?) acinus convexa (Foerste) . 



Camarotoechia a'quiradiata Hall 



Camarotoechia fringilla Billings 



Camarotoechia glacialis Billings .- 



Camarotrecbia ( ?) indiancnsis Hall 



Camarotrecbia ( ?) neglecta Hall 



Camarotrecbia ( ?) obtu.siplicata Hall 



Camarotrecbia ( ?) wbitii Hall 



Capellinia mira Hall and Clarke 



Chonetcs cornuta Hall 



Choiietes nova-scoiica Hall 



Chonetes striatella (Dalmau) 



Cbonetes tenuistriata Hall 



Chonetes undulataHall 



Clintonellavagabnnda Hall and Clarke 



Clorinda arcuosa (McChesney) 



Clorinda arey i (Hall and Clarke) 



Clorinda barrandii (Billiuga) 



Clorinda fornicata (Hall) 



Clorinda ventricosa (Hall) 



Conch id ium bilocularo Linnwus 



Concbidiiiin colletti Miller 



Concbidium crassiradiatum (McChesney) . . , 



Eo- 

 silurian. 



Mesosilurian. 



Anti- 

 Medina, costi, 

 Clinton. 



CI 

 CI 

 CI 

 A 

 A 

 A 

 CI 

 A 

 CI 



CI 



CI, A 



CI 



CI 



CI 



CI 



CI 

 A 

 CI 



Guclph, 

 Arisaig, 

 Niagara. 



Neosi- 

 lurian. 



N 



K 



MS 



K 

 N 



N 



Ar 



Ar, X 



N? 

 Ar 



N 



N 



N 



MS 



W 



