LOWER ORISKANY OF NEW YORK 



307 



element so strongly enforces this contrast or is so unique in itself as the Crustacean. 

 The association is indubitably of early Oriskany age and is eminently the Trilobite 

 or Dalmanites facies of the Oriskany fauna." 



FA UN A L LIST OF THE NEW YORK LOWER ORISKANY* 



(Numbers indicate material in United States National Museum. Those species marked with an * 



are also in Ulsterian.) 



2 



5 s 



o 







Hindia sp 



Edriocrinus sacculus Hall 



Zaphrentis cfr. rcemeri Hall 



" sp 



Romingeria sp 



Trachypora sp 



Monticulipora sp 



Hederella sp 



Clonopora sp ... 



Reptaria sp 



Polypora sp 



Hemitrypa cfr. columellata Hall 



* Fenestella celsipora Hall 



" sp 



Lingula sp 



OrbicuJoidea sp 



Crania sp. 28008 



" n. sp.. 



Rholidops terminalis Hall. 28007 



' 4 sp. n 



Orthis (Dalmanella) perelegans Hall 



' ' (Rhipidomella) oblata Hall ? 28009 



Orthothetes cfr. woolworthana Hall 



n. sp. 28014 



Hipparionyx proximus Vanuxem 



* Leptxna rhomboidalu Wilckens. 28013 



Stropheodonta lincklxni Hall 



cfr. radiata. 28016 



n. sp. A 



" n. sp. B 



(Leptostrophia) magnifica Hall 



" " tofciHall. 28015 



" " perplana Conrad. 28012 



Slrophonella headleyana Hall ? 



Chonetes melonica Billings. 28018 



Clionostrophia n. sp. 28019 



Anoplia nucleala Hall. 28017 



Spirifer murchisoni Castlenau. 28020 



* " arenosus (Conrad). 28021 



x 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X 



X. 



X 



X 



X 



X 



X 



X 



* A monograph of this fauna, by Doctor J. M. Clarke, is now in preparation. 



