FAUNA OF THE HELDERBERGIAN 



Table of the Heldcrbergian Fauna 



279 



Ccelenterata, 30 species. 



Dictyonema crassum Girty 



" splendens Billings 



Monograptus beecheri Girty 



Syringostroma cenlrotum Girty 



' ' • faveolatum Girty 



microporum Girty 



" barretti Girty 



consimile Girty 



Clathrodictyon jeivetti Girty 



Duncanella rudis Girty. 4229, 27738 



Streptelasma striatum Hall. 4129, 9168, 10555, 17160 



" waynensis Safford. 27735-27737 



~\Zaphrentis roemeri Edwards and Haime. 4236, 



9202, 10556, 27734 



rugatula Billings 



Aidopora schoharie Hall. 26031 , 



" tubula Hall 



subtenuis Hall , 



elongata Hall 



Favosites basalticus Billings 



*f ' ' gotlandicus Billings 



" helderbergise Hall. 10554, 17159, 27726, 



27727 



t " conicus Hall. 4040,27722,27723 



conradi Girt}' 



Microplasma (?) n. sp 



Alveolites explanatus Hall. 27733 



Cladopora clarkei Girty 



halli Girty 



*Haly sites catenularia Linne 



Striatopor'a issa Hall. 27728, 27731 



missouriensis Meek and Worthen ... 

 Pleurodictyum lenticulare (Hall). 27732 



4866. 



Echinodermata, 23 species. 



* Homocrinus scoparius Hall. 91 1 3 . . . 

 Melocrinus nobillisimus ( Hall ) . 415 1 . 



pacliydactylus Hall. 4811 



paucidaetylus Hall , 



Corymbocrinus (?) macropetalus (Hall) .... 



Mariacrinus plumosus Hall 



stoloniferus Hall. (Columns) 



ramosus Hall 



Cordylocrinus plumosus (Hail) 



(?) ramulosus Hall 



Ma.rsupiocvinus tentaculatus (Hall) 



Herpetocrinus nodosarius (Hall) 



Edriocrinus pocilliformis Hall. 10558 .... 



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