Partially everted hemipenes from preserved specimens of Oligodon cinereus, including (A) paratype of Oligodon cattienensis (ZMMU Re-13866) with the right organ partially dissected revealing a bilobed condition with awn-shaped lobes, and (B) awn-shaped lobes visible on the partially everted organ of another specimen of O. cattienensis (FMNH 262190); (C) everted hemipenis of Oligodon cinereus sensu lato (CAS 240006) from Rakhine State, Myanmar demonstrating a bilobed condition, with the bottommost lobe still partially everted. Photo A by Anna B. Vassilieva and Vitaly L. Trounov, copyright Magnolia Press, reproduced with permission from the copyright holder. Photos B–C by Justin L. Lee.