FAUNA OF THE HELDERBERGIAN 



Table of the Helderbergian Fauna 



281 





c3 



OS 



03 





T3 



PQ 

 'd 



c3 



a5 



•73 



Oh 



o 



Fistulipora ponderosa Hall 



parasitica Hall 



" Jn7o&aHall 



Lichenalia crassa Hall 



" maculosa Hall 



" fortoHall 



" serialis Hall and Simpson 



' ' distans Hall 



Ceramopora maculata Hall 



labeculoidea Hall 



(?) parvicella Hall 



Paleschara incrustans Hall 



radiata Hall 



(?) dissimilis Hall 



concentrica Hall and Simpson 



" (?) bilateralis Hall 



tenttw Hall and Simpson 



Stictopora papillosa Hall 



obsoleta Hall and Simpson 



granatula Hall and Simpson 



granulosa (Hall and Simpson) 



Ptilodiclya lirata Hall 



tenuis Hall 



nebulosa. Hall 



Thamniscus variolata Hall 



' ' fruticella Hall ' 



{?)cisseis Hall 



/' {?)nysa Hall 



Fenestella crebripora Hall 



" junceus Hall 



'cfeiaHall 



" . /tesft'« Hall : 



assyfc Hall 



noe Hall and Simpson t . . ... 



spio Hall and Simpson 



aftoiHall 



adraste Hall 



s?/^?'« Hall 



philia Hall 



thy en e Hall ; P. coronis Hall ; P. indalia 



' Hall 



quadrula Hall ; P. adorn ata Hall and 



Simpson 



Unitrypa precursor Hall ; C7. nervia Hall var. cow- 



stricta Hall 



Hemitrypa biseria.lis Hall ; if. biserialis var. info's 



Hall and Simpson. 



Polypora eudora Hall, P. stricta Hall and Simpson, 

 P.idothea Hall, 7 3 . compressa Hall. P. #fea Hall, 

 P. compacta Hall, P. «rto Hall, P. obliqua Hall 



and Simpson, P. paxillata Hall 



Ichthyorachis nereis Hall 



T3 



.2 



C 



o3 

 O 



N 



o 



m 



a> 



<v 



c 



XLI— Bull. Geol. Soc. Am., Vol. 11, 1899 



