Species within the genus Onobops include:
- † Onobops bispiralis Wesselingh, Anderson & Kadolsky, 2006 - from Middle Miocene to early Late Miocene of the Pebas Formation[1]
- † Onobops? bisulcatus Wesselingh, Anderson & Kadolsky, 2006 - from late Early Miocene to Middle Miocene of the Pebas Formation[1]
- † Onobops communis Wesselingh, Anderson & Kadolsky, 2006 - from Middle Miocene to early Late Miocene of the Pebas Formation[1]
- Onobops crassus F. G. Thompson, 1968[4] - type species[1]
- † Onobops elongoides Wesselingh, Anderson & Kadolsky, 2006 - from late Early Miocene to Middle Miocene of the Pebas Formation[1]
- † Onobops? erectus Wesselingh, Anderson & Kadolsky, 2006 - from Middle Miocene to early Late Miocene of the Pebas Formation[1]
- † Onobops? iquitensis Wesselingh, Anderson & Kadolsky, 2006 - from Middle Miocene of the Pebas Formation[1]
- Onobops jacksoni (Bartsch, 1953)[5]
- † Onobops microconvexus Wesselingh, Anderson & Kadolsky, 2006 - from late Middle Miocene to early Middle Miocene of the Pebas Formation[1]
- † Onobops minissimus Wesselingh, Anderson & Kadolsky, 2006 - from late Miocene to early Late Miocene of the Pebas Formation[1]
- † Onobops ventricosus Wesselingh, Anderson & Kadolsky, 2006 - from Middle Miocene to early Late Miocene of the Pebas Formation[1]
