1957  Neoshumardites sp.-Miller & Furnish (Treatise): L61,  fig.83.    
     1971  Neoshumardites gaptankensis.-Saunders: 115, pl.23 fig.8.
     1994  Pseudaktubites newelli Baordman,Work,& Mapes: 54, fig.23K,24C,25B, tabl.1, pl.1 fig.8.
           
Incipiently trifid external lateral lobe.