132- 



Crinoids — Con. 



Herpetocrinus convolutus {Hall) 



Homocrinus cylindricus Hall 



Ichthyocrinus laevis Conrad 



Lecanocrinus macropetalus Hall 



Lyriocrinus dactylus {Hall) 



Periechocrinus speciosus Hall 



Stephanocrinus angulatus Conrad 



Thysanocrinus liliiformis Hall 

 Cystids — 



Apicoystites elegans Hall 



Callocystites canadensis, Billings 



Callocystites jewetti Hall 



Caryocrinus ornatus Say 



Gomphocystites tenax Hall 



Holocystites globosus Miller 

 Asteroids — 



Squamaster echinatus Ringueberg 



Palseaster niagarensis Hall 



Protaster stellifer Ringueberg 

 Brachiopods — 



Atrypa reticularis {Linn) 



Atrypa rugosa {Hall.) 



Camarotoechia neglecta {Hall) 



Camarotoechia obtusiplicata {Hall) 



Dalmanella elegantula {Dolman) 



Delthyris sulcata Hisinger 



Homceospira apriniformis {Hall) 



Leptaena rhomboidalis {Wilckens) 



Lingula lamellata Hall 



Orthis flabellites Foerste 



Plectambonites transversalis {Wahlenberg) 



Rhipidomella hybrida {Sowerby) 



Rhynchonella robusta Hall 



Schuchertella subplana {Conrad) 



Spirifer niagarensis {Conrad) 



Spirifer radiatus Sowerby 



Whitfieldella nitida Hall 



Whitfieldella nitida oblata Hall 

 Bryozoans — 



Acanthoclema asperum {Hall) 



Batostomella granulifera {Hall) 



Bythopora spinulosa {Hall) 



Callopora elegantula Hall 



