Bulgaroiulus
Bulgaroiulus Verhoeff, 1928: 32 . Type species: Typhloiulus trnowensis Verhoeff, 1928, by monotypy. Comment. The type species of Bulgaroiulus is valid as Apfelbeckiella trnowensis (Verhoeff, 1928), thus the subgenus is no longer part of Typhloiulus .