Mesobaena rhachicephala Hoogmoed, Pinto, Rocha & Pereira, 2009
(Fig. 9)
Holotype. Adult male, MNRJ 15324, collected by Emiliane Gonçalves Pereira on 23 November 2006 at Saracá-Taquera National Forest (01°50'S, 56°31'W [informed]; 83 m asl [informed]), Porto Trombetas, Municipality of Terra Santa [formerly Municipality of Oriximiná], State of Pará, Brazil.
Paratypes. MNRJ 15325, MPEG 24854 .
Remarks. Holotype (245 mm SVL) with prepared hemipenis kept inside a cryotube together with specimen. Paratype MPEG 24854 is damaged, cut into two preserved pieces, but missing a middle part. No tissue samples available.