The little shrikethrush has been split into the following species:
- Arafura shrikethrush, Colluricincla megarhyncha
- Variable shrikethrush, Colluricincla fortis
- Waigeo shrikethrush, Colluricincla affinis
- Mamberamo shrikethrush, Colluricincla obscura
- Tagula shrikethrush, Colluricincla discolor
- Sepik-Ramu shrikethrush, Colluricincla tappenbecki
- Rufous shrikethrush, Colluricincla rufogaster