pt.  1851  Goniatites retrorsus var. circumflexus.-Sandberger & Sandberger, pl.10b fig.26.
   ? 1887a Goniatites (Tornoceras) circumflexus var. major.- Frech, p.338(nomen dubium).
 pt. 1897  Tornoceras circumflexus.-Foord & Crick, p.100(pt C4621).
 pt. 1908  Cheiloceras circumflexus.-Wedekind, p.585, pl.39 fig.3.
      1914  Oma-monomeroceras (Cheiloceras) tenue Sobolev, p.50, pl.7 fig.8, pl.8 fig.1, textfig.76.
     1914  Oma-monomeroceras (Cheiloceras) disco-transversale.- Sobolev, p.46, pl.6 fig.3, textfig.71.
   ? 1914  Chiloceras circumflexum.-Groth, p.525.
 pt. 1918  Cheiloceras circumflexus.-Wedekind, p.146.
 pt. 1923  Cheiloceras circimflexum.-Schindewolf, p.317.
 pt. 1936  Cheiloceras (Cheiloceras) circumflexum.-Paeckelmann: 27.
 cf. 1954  Cheiloceras cf. circumflexum.-Fuhrmann, p.636.
   ? 1959  Cheiloceras circimflexum.-Comte, p.283.
     1966  Cheiloceras circimflexum.-Babin, p.373, textfig.95, 96.
     1966  Cheiloceras (Cheiloceras) circumflexum.-Glenister &  Klapper, pl.1,2.
     1971  Cheiloceras (Cheiloceras) circumflexum.-Bogoslovskiy: 107, pl.6 fig.8-9, textfig.31b.
     1984  Cheiloceras (Cheiloceras) circumflexum.-Becker, p.99, textfig.16e.
     1993  Cheiloceras (Raymondiceras) tenue.-Becker: 261, pl.16 fig.12-13, textfig.84e,87c.
     2002  Nehdenites tenuis.-Korn & Klug: 174, Fig.155 D.