pt. 1884  Popanoceras Hyatt: 337.
     1887  Popanoceras.- Gemmellaro: 19.
     1888  Popanoceras.- Gemmellaro: 16.
     1888  Popanoceras.- Mojsisovics: 18.
pt. 1889  Popanoceras.- Karpinsky: 67,79.
     1901  Popanoceras.- Frech: 512.     
pt. 1903  Popanoceras.- Smith: 132.
     1913  Popanoceras.- Vogl: 161.
pt. 1915  Popanoceras.- Haniel: 88.
pt. 1917  Stacheoceras.- Boese: 127.
     1927  Popanoceras.- Diener: 70.
     1927  Popanoceras.- Smith: 51.
     1931  Popanoceras.- Toumansky: 15, 83.
     1937  Popanoceras.- Plummer & Scott: 165.
     1940  Popanoceras.- Miller & Furnish: 133.
     1957  Popanoceras.- Treatise: L52.       
     1960  Popanoceras.- Ruzhentsev: 234.
     1962  Popanoceras.- Osnovy: 399.
     1970  Popanoceras.- Nassichuk: 92.
     1988  Popanoceras.-Glenister & Furnish: 55.
     2002  Popanoceras.-Leonova:S93.
     2004  Popanoceras.-Zhou & Liengjarern: 330.

Type species: Goniatites sobolewskyanus de Verneuil, 1845, p.372 [SD Gemmellaro,1887,p.19 as P. Soboleskianum de Verneuil, 1845,p.372].

Fig. TAX5324 A: P. annae, B: P. tschernowi, C: P. sobolewskyanum (cross-sections). Fig. TAX5319, TAX3867 C (walcotti), D (annae) (sutures).

[Glenister & Furnish, 1988, p.55: Popanoceratids in which the prongs of the ventral lobe (V1) are equal to or wider than the adjacent lateral lobe (L2), and bidentate to quadridentate. The four or five external lobes are moderately denticulate.]

[Miller & Furnish, 1940, p.133: The conch is subdiscoidal, and the whorls are flattened laterally and rather narrowly rounded ventrally. The umbilicus is small. The living chamber is about a volution in length, and at full maturity an apertural constriction is developed, and the aperture is modified. The growth-lines form a moderately deep ventral sinus, a shallow lateral sinus, and a small sinus near the umbilicus. Typically the increments of the growth are very prominent. During adolescence some forms have slight transverse constrictions, and in others there are prominent depressions on  the lateral zones of the conch. The sutures form a very large bifid ventral lobe, several external lateral lobes, a subdivided umbilical lobe, several internal lateral lobes, and a narrow trifid dorsal lobe. The prongs of the ventral lobe and most of the lateral lobes are prominently digitate, but the saddles are rounded. However, the umbilical side of the first lateral saddle of the internal sutures bears a prominent subdivision].