Template:Ratcliffe, 2014c
- Ratcliffe, B.C. 2014. A Review of the Neotropical Genera Astroscara Schürhoff, 1937, Chiriquibia Bates, 1889, Hadrosticta Kraatz, 1892, Jansonia Schürhoff, 1937, Macrocranius Schürhoff, 1935, and Tiaocera Burmeister, 1842 (Coleoptera: Scarabaeidae: Cetoniinae: Gymnetini). Coleopterists bulletin, 68: 363–376.