1923  Imitoceras stillei.-Schindewolf: 335, textfig.4g1,g2.
     1931  Imitocers stillei.-Matern: 49.
     1965  Imitoceras stillei.-Flügel & Kropfitsch-Flügel: 24 [see R. lineare, TAX702].
     1996  Rectimitoceras stillei.-Becker: 34 (= lineare).