SCHUCHEET.] 



TABLES OF NORTH AMERICAN SPECIES. 



49 



Table VI. — Devonian BracMopoda — Continued. 



Species. 



Orthis ( ?) tenuistriata Hall 



Oitbostrophia atrophomenoldes Hall 



Orthothetes auomala (A. "Winchell) 



Ortliotlietes bellulus Clarke , . 



Orthothetes chemungensis (Conrad) 



Orthothetes chemungensis arctostriata Hall . . 



Orthothetes chemungensis perversus Hall 



Orthothetes deformis Hall 



Orthothetes deformis sinuata Hall .and Clarke. 



Orthothetes flabelluni (Whitfield) 



Orthothetes pandora (Billings) 



Orthothetes prava Hall 



lOrthothetes subplana (Conrad) 



Orthothetes woolworthana Hall 



Parazyga deweyi Hall 



Parazj-ga hirsuta Hall 



Pentagonia unisulcata (Conrad) 



Pentamerella arata (Conrad) 



Pentanierella borealis (Meek) 



Pentamerella dubia Hall 



Pentamerella Intralineata (A. Winchell) 



Pentamerella micula Hall 



Pentamerella obsolescens Hall 



Pentamerella pavillionensis Hall 



Pentamerella thusnelda Nettelroth 



Pholidops arenaria Hall 



Pholidops areolata Hall 



Pholidops bellula Walcott 



Pholidops calceola Hall and Clarke 



Pholidops greenii Miller and Gurley 



Pholidops hamiltonia; Hall 



Pholidops lepis Hall and Clarke 



Pholidops oblata Hall 



Pholidops ovata Hall : 



Pholidops patina Hall and Clarke 



Pholidops qu.adrangularis Walcott 



Pholidops terminalis Hall 



Pholidostrophia iowensis (Owen) 



Plectorthis ( ?) aurelia (Billings) 



Productella arctirostrata Hall 



Prodnctella bial veata Hall 



Productella boydi Hall 



Prodnctella costatula Hall 



Productella costatula strigata Hall 



Productella dumosa Hall 



Productella eriensis Nicholson 



Productella exanthemata H.1II 



Productella halLana Walcott 



Productella hirsuta Hall 



Productella hirsuta reotispina Hall 



Productella hirsutiformo ( W.alcott) 



Bull. 87 4 



Eodevonian. 



Lower 

 Hel- 

 dcr- 

 berg 



X 

 X 



X 

 X 

 X 



Oris- 

 kany. 



Mesodevonian. 



Scho- 

 harie, 

 Cornif- 

 erous. 



Co 



Co 

 Co 



ED 



ED 



X 



Co 

 Co 

 Co 



Co 



Co 



Co 



Co 



Co 



Co 

 Co 



TuUy, 

 Hamil- 

 ton, 

 Marcel 

 lus. 



H 



M 



M, H 

 H 



M 



H 

 H 



H 



H? 



H 



H? 



H? 



H 



H 

 H 



H 

 H 



Neodevonian. 



Port- 

 age, 

 Huron. 

 Gene- 

 see. 



Che- 

 mung, 

 Ithaca. 



ND? 



C 

 C 



c 

 c 

 c 



ND 



c 



c 



ND 



