Anurans are represented in northwestern Africa by five 

 families and 13 species. 



Key to Anurans 



1. With adhesive circular pads on tips of fingers and toes 

 (Fig. 13) Hyla meridionalis 



-. Lacking adhesive pads on tips of fingers and toes 2 



2. Pupil vertical 3 



-. Pupil not vertical 4 



3. Black keratinous spade (modified metatarsal tubercle) 

 present. Two relatively small and inconspicuous palmar 

 tubercles. Toes with webbing (Fig. 11) Pelobates varaldii 



-. Lacking metatarsal spade. Three palmar tubercles. Toes 

 without webbing (Fig. 7) Alytes obstetricans 



4. Skin more or less smooth. No paratoid glands 5 



-. Skin with warts. Conspicuous paratoid glands 8 



5. Pupil rounded. Subarticular tubercles lacking (Fig. 9) 



Discoglossus pxctus 



-. Pupil horizontal. Subarticular tubercles present 6 



6. With dorsolateral glandular ridge on body Rana saharica 



-. Without dorsolateral glandular ridge on body 7 



7. Large inner metatarsal tubercle, larger than toe next to it 

 (Fig. 31). Tympanum indistinct, its diameter half that of the 

 eye. Webbing of the toes slight (Fig. 31) .. Tomoptsrna cryptotis 



-. Small inner metatarsal tubercle, much smaller than toe next 

 to it (Fig. 29). Tympanum conspicuous, diameter nearly equal to 

 that of eye. Webbing of toes extensive (Fig. 29) .. 

 Hoplobatrachus occipitalis 



8. With tarsal spade. Large inner and outer metatarsal 

 tubercles, spade-shaped (Fig. 25) Bufo pentoni 



-. Without tarsal spade. Metatarsal tubercles not spade- 

 shape 5 



9. Without tarsal fold. Dorsal colour uniformly brown. Bufo bufo 

 -. Tarsal fold present. With spots on dorsum 10 



