202 
PROCEEDINGS OF THE CALIFORNIA ACADEMY OF SCIENCES 
Series 4, Volume 65, Supplement II 
(Ceriaco et al. 20I6a:27); “Espinheira” 
[-16.78886, 12.35761] (Ceriaco et al. 
2016a:28). 
Taxonomic and distributional notes: 
Rhoptropus biporosus is closely allied to 
R. barnardi and one or more undescribed 
species of small-bodied congeners that occupy 
similar habitats in arid to semi-arid rocky areas 
bordering the Namib (Kuhn 2016). 
I2“E 24°E 
Map 150. Distribution of Rhoptropus biporosus in 
Angola. 
Rhoptropus boultoni Schmidt, 1933 Boulton’s Namib Day Gecko 
Rhoptropus boultoni Schmidt 1933:7, fig. 2, pi. 1 (far right). Holotype: CM 5634 (collectors R. and L. Boul¬ 
ton). Type locality: “Pico Azevedo,” Namibe Province, Angola. 
Rhoptropus boultoni'. Barbour and Loveridge (1946:187); Marx (1959:469); McCoy and Richmond 
(1966:155); Bauer and Good (1996:643). 
Rhoptropus boultoni boultoni'. Ceriaco et al. (2016a:28, 55). 
Global conservation status (lUCN): Not Evaluated. 
Global distribution: Occurs mainly inland of the northern Namib Desert, from central 
Namibia to southwestern Angola. 
Ocurrences in Angola (Map 151): The 
species is known from southwestern Angola, 
inland of the Namib and as far north as the 
desert’s northern limit in southern Namibe. 
Namibe: “Pico Azevedo” [-15.55000, 
12.51667] (Schmidt 1933:7; Barbour and 
Loveridge 1946:181; Marx 1959:469; McCoy 
and Richmond 1966:155; Ceriaco et al. 
2016a:55); “Iona National Park, 3.4 km south¬ 
west (by air) of Espinheira, vicinity of “Lion 
Cave” [-16.80375, 12.33978] (Ceriaco et al. 
2016a;28); “Approximately 7.35 km north¬ 
west (by road) of Pico Azevedo” [-15.47589, 
12.46269] (Ceriaco et al. 2016a:28); “Espin¬ 
heira” [-16.79150, 12.35168] (Ceriaco et al. 
2016b:28); “Omauha Lodge” [-16.19792, 
12.39981] (Ceriaco et al. 2016a;28); “Iona 
National Park, Rio Curoca crossing, south side 
of river” [-16.30408, 12.41667] (Ceriaco et al. 
I2"E l«°E 20° E 24°E 
Map 151. Distribution of Rhoptropus boultoni in 
Angola. 
