1878  Ceratites pessoides.-Arthaber in Freck & Arthaber: 15, pl.1 fig.5,5a.
     1900  Hungarites pessoides.-Arthaber in Freck & Arthaber: 235, pl.18 fig.9a-c.
     1902  Hungarites pessoides.-Frech: 567, textfig.2.
     1959  Prototoceras pessoides.-Ruzhentsev: 63.