1850  Goniatites mixolobus Sandberger & Sandberger: 67, pl.3 fig.13b (non 13a).
     1912  Paraprolecanites mixolobus.-Dollé: 254, pl.7 fig.2, 2a,2b.
     1925  Paraprolecanites Sandbergeri.-Schmidt: 544.
     1940  Epicanites sandbergeri.-Miller & Furnish: textfig.13B.
     1961  Epicanites sandbergeri.-Pareyn: 90, pl.7 fig.8-18, textfig.4C.