SCHUCHERT.] 



TABLES OF NORTH AMERICAN SPECIES. 



33 



Table IV. — Ordovician Brachiopoda — Coutiiiuod. 



Species. 



Eoordovician. 



Calcifer- 

 ous. 



Chazy. 



Mesoordo- 

 vician. 



Trenton, 



Black River, 



Birdaeye. 



Plectortliis wbitfleldi (N. H . "Winchell) 



rolyto'cliia apicalis (Whitfield) 



I'rotnrhyncha dubia Hall 



Kaiinosfiuina alternata (Conrad) Emmons 



llalincsijnina alternata altorniatriata Hall 



llafini'squiua alternata fracta (Meek) 



Kaliucsqiiiiia alternata loxorhytis (Meek) 



Kalinesqnina alternata uasuta (Conrad) 



Kafinesquina (?) atava (Matthew) 



* Raiinesquina feres (Billings) 



Eatine8(juina deltoidea (Conrad) 



Rafinesquina fasciata Hall 



Kafinesquina imbrex (Pander) 



Rafinesquina incrassata (Hall) 



Eafinosquina kingi (Whitfield) 



Eafinesijuina lata Whiteaves 



Rafinesquina mesacosta (Shumard) 



Rafinesquina minnesotensis (X. H. Winchell) 



Rafinesquina minnesotensis inquassa (Sardeson) 



Rafinesquina nitens (Billings) 



Rafinesquina squamula (James) 



Rafinesquina tenuilineata (Conrad) 



Rafinesquina ulrichi (James) 



Retzia ( >) granulifera (Meek) 



Rliynehonella ( ?) acutirostris Hall 



Rhynclionella ( I) anticostiensis Billings 



Rhynchonella ( !} corinthia Billings 



* Rhynclionella ( 1) janea Billings 



Rhynchonella ( ?) neenah Whitfield 



Rhynchonella ( ?) orientalis Billings 



Rhynchonella ( ?) sordida Hall 



Rhynchonella ( .') subtrigonalis Hall 



Rhynchotrema ainslaei (N. H. Winchell) 



Rhynchotrema capax (Conrad) 



Khyncbotrema dentata (Hall) 



Ebynchotrema inajquivalvis (Castelnau) 



Rhynchotrema insequivalvis laticostata Winchell and 



Sehucbert , 



Rhynchotrema ottawaensis (Billings) 



Rhynchotrema perlamellosa (Whitfield) 



Scenidium antbonensis Sardeson 



Scenidium ( ?) metope (Billings) , 



Schizambon ( ?) dodgii Winchell and Sehucbert 



Schizambon ( ?) fissus canadensis Ami 



Schizanibon ( ?) lockii Winchell and Sehucbert 



Schizambon typic.alis Walcott , 



Schizocrania fllosa Hall 



Scbizocrania ( ?) rudis Hall 



Schizocrania schucherti Hall and Clarke 



Schizotretaconica (Dwigbt) , 



Schizotreta minutula Winchell and Sehucbert 



Scbizotreta ovalis Hall and Clarke 



BuU. 87 3 



BR,T 



BR 



T? 

 T 



T 



