Stygobromus arizonensis was created in 1974.
Retinia arizonensis was created in 1920.
Hadrurus arizonensis was created in 1928.
Caphys arizonensis was created in 1970.
Platyhydnobius arizonensis was created in 1892.
Stygobromus dejectus was created in 1967.
Stygobromus pecki was created in 1967.
Stygobromus gradyi was created in 1974.
Stygobromus ephemerus was created in 1969.
Stygobromus montanus was created in 1967.
Stygobromus spinatus was created in 1967.
Stygobromus stellmacki was created in 1967.
Stygobromus conradi was created in 1967.