TYPE SPECIMENS OF INVERTEBRATE FOSSILS 175 



Popanoceras --Continued 



? sp. 



Girty, G. H., 1910: p. 55, pi. 7, fig. 15, 15a. 

 Figured specimen (holotype of 



Vidrioceras girtyi Miller and 



Cline, 1934) 145231 



Park City Fm. Wyoming 



Probeloceras 



lutheri Clarke 



Butts, Charles, 1941: p. 205, pi. 120, figs. 27-31. 



Hypotype 97993 



Portage Gr., Naples Horiz. Virginia 



Hypotype 97994 



Brallier Sh. Virginia 



Hypotypes 97995a-c 



Millboro Sh., Naples Horiz. Virginia 



Prodvomites 



gorbyi (Miller) 



Smith, J. P., 1903: p. 37-39. 



Hypotype 146305 



Kinderhook Gr., Chouteau Ls. ? Illinois 



Gutschick, R. C, and Treckman, J. F., 1957: p. 1153, pi. 144, figs. 

 4-9; text-figs. 3d-e. 

 Hypotypes 136324, 136477 



Rockford Ls. Indiana 



Prolecanites (Rhipaecanites) ? 



sp. 



Gordon, Mackenzie, Jr., 1964a: p. A22, pi. 4, figs. 15-17; text-fig. 

 lOd. 



Figured specimen 120624 



Perdido Fm. California 



Pronorites 



baconi (Miller, Youngquist, and Nielsen) 



Gordon, Mackenzie, Jr., 1964b: p. 286, 287, pi. 23, figs. 34-37; 

 text-fig. 95. 



Hypotype 119474 



Fayetteville Sh. Arkansas 



cyclolobus arkansiensis Smith 



Smith, J. P., 1896: p. 267-270, pi. 24, figs. 1-4. 



Holotype 108493 

 Lower "Coal Measure," "Millstone 



Grit" Arkansas 



