non1832  Goniatites subsulcatus Münster, p.23, pl.5 fig.2 a-d.
non1834  Goniatites subsulcatus.- Münster, p.85,  pl.5 fig.2 a,b,c,d.
      1841 Goniatrites subsulcatus Brown: 214, pl.7 fig.9, 10. [homonym].
non1843  Goniatites subsulcatus.-Münster, p.17, pl.5a fig.2 a-d.
non1862  Goniatites subsulcatus.-Gümbel, p.297, pl.5 fig.11.
non1996  Rectimitoceras subsulcatus.-Becker: 34 (= lineare).

[Assignment to Homoceras provisional. Species invalid by homonymy.]