Carvalho, et al., 2016 Tropidurus spinulosus (Cope, 1862) Tropidurus torquatus (Wied-Neuwied), 1820 Tropidurus xanthochilus M.B.. 
Bifid penis (tàbí okó méjì) jẹ́ àrùn abínibí tí kò wọ́pọ̀ léyí tí genital Tgainescle méjì maa ń yọ jáde.ìtàn soo di mímọ̀ wípé àwọn ọmọ tí wọ́n bí pẹ̀lú okó méjì maa ṣisẹ́ abẹ́ lati to ọkọ̀ wọn dáradára.. 