TYPE SPECIMENS OF PALEOZOIC FOSSILS 511 



SCHIZODUS King 



Schizodus chemungensis Conrad var. quadrangularis Hall 

 3142 A^SLa TYPE Schizodus quadrangularis Hall. Prelim 

 inary notice of lamellibranchiate shells, pt 2. 1870. p. 96. 

 Cytherodon (Schizodus) quadrangularis 

 Hall. Paleontology of New York. 1883. v. 5, pt i, 

 plates and explanations, pi. 75, fig. 31. 



Schizodus chemungensis var. quadrangu- 

 laris Hall. Paleontology of New York. 1885. v. 5, 

 pt i, p. 454, pi. 75, fig. 31. 



Ithaca beds Ithaca N. Y. 



J. W. Hall and C. Van Deloo, coll. 1866 



Schizodus contractus Hall 



3 [43 A^S_L TYPE Cytherodon (Schizodus) cuneus Hall 

 (in part). Paleontology of New York. 1883. v. 5, pt i, 

 plates and explanations, pi. 75, fig. 27. 



Schizodus contractus Hall. Paleontology of 

 New York. 1885. v. 5, pt i, p. 451, pi. 75, fig. 27. 

 Hamilton beds Cayuga lake, N. Y. 



H. H. Smith, coll. 1871 



3144 JL ^- L TYPE Cytherodon (Schi zodu s) c une u s Hall 



(in part). Paleontology of New York. 1883. v. 5, pt i, 

 plates and explanations, pi. 75, fig. 28. 



Schizodus contractus Hall. Paleontology of 

 New York. 1885. v. 5, pt i, pi. 75, fig. 28. 



Hamilton beds Cayuga lake, N. Y. 



H. H. Smith, coll. 1871 



Schizodus ellipticus Hall 



3145 &33. TYPE Schizodus ellipticus Hall. Preliminary 



notice of lamellibranchiate shells, pt 2. 1870. p. 96. 

 Hall. Paleontology of New York. 1885. v. 5, pt i, 



pl. 75> fi g- J 3- 



Hamilton beds Canandaigua lake, N. Y. 



C. A. White and C. Van Deloo, coll. 1860 



3146 S ^P TYPE Hall. Paleontology of New York. 1885. v. 5,pti, 



pl. 75, fig. 14. 



Hamilton beds Canandaigua lake, N. Y. 



C. A. White and C. Van Deloo, coll. 1860 



