1832  Ammonites becheri.-von Buch, p.171, pl.2 fig.2.
     1837  Ammonites becheri.-Beyrich, p.31, pl.1 fig.7,8.
     1884  Ammonites becheri.-Beyrich, p.11.
     1888  Prolecanites becheri.-Frech, p.28, pl.2 fig.4a,4b.
     1897  Prolecanites Becheri.-Foord & Crick: 249.
     1897  Prolecanites Becheri.-Frech: 177e,  fig.2e.
     1897  Goniatites Becheri.-Frech: pl.32a fig.11a.
     1902  Prolecanites Becheri.-Frech: 64, pl.2 fig.13, textfig.21e.
     1913  Prolecanites Becheri.-Frech: 27.   
     1918  Pharciceras Becheri.-Wedekind, p.127.
     1931  Pharciceras becheri.-Mantern, p.90.
     1959  Pharciceras becheri.-Petter, p.137, pl.7 fig.5, textfig.33E.
     1970  Pharciceras becheri.-Kullmann & Ziegler, p.78, textfig.2c,3c,4, pl.1 fig.5.