1914  Goniatites subcircularis.-Pruvost: 19, fig.2.
     1936  Goniatites subcircularis.-Moore: 184, pl.1 fig.3,4,5,
           9.
     1988  Lusitanites clitheroensis Korn: 164, pl.57 fig.7-9,
           textfig.88a,b.
     1997  Lusitanites clitheroensis.-Korn: 64, pl.8 fig.11, 12.