Atractaspis reticulata SJÖSTEDT, 1896
Find more photos by Google images search:
Higher Taxa | Atractaspididae (Atractaspidinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
Subspecies | Atractaspis reticulata brieni LAURENT 1956 Atractaspis reticulata heterochilus (BOULENGER 1901) Atractaspis reticulata reticulata SJÖSTEDT 1896 |
Common Names | E: Mole Viper |
Synonym | Atractaspis reticulata SJÖSTEDT 1896: 516 Atractaspis reticulata reticulata — LAURENT 1950: 38 Atractaspis reticulata — WELCH 1994: 23 Atractaspis reticulata — CHIRIO & INEICH 2006 Atractaspis reticulata — WALLACH et al. 2014: 67 Atractaspis reticulata reticulata — RÖDEL et al. 2019 Atractaspis reticulata brieni LAURENT 1956: 256 Atractaspis reticulata brieni — DOBIEY & VOGEL 2007 Atractaspis reticulata heterochilus (BOULENGER 1901) Atractaspis heterochilus BOULENGER 1901: 13 Atractaspis heterochilus — WERNER 1913: 32 Atractaspis heterochilus — SCHMIDT 1923: 139 Atractaspis reticulata heterochilus — LAURENT 1950: 39 Atractaspis reticulata heterochilus — LEGRAND 2002 Atractaspis reticulata heterochilus — CHIRIO & LEBRETON 2007 Atractaspis reticulata heterochilus — MARQUES et al. 2018: 326 Atractaspis reticulata heterochilus — RÖDEL et al. 2019 Atractaspis reticulata heterochilus — PAUWELS et al. 2019 Atractaspis reticulata heterochilus — PAUWELS & COLYN 2023 |
Distribution | Cameroon, Gabon, Democratic Republic of the Congo (Zaire), Congo (Brazzaville), Equatorial Guinea, Central African Republic reticulata: Cameroon; Type locality: “Ekundu” [= Ekundu Titi] (Cameroon) heterochilus: Cameroon, Rio Muni, Gabon, Central African Republic, Democratic Republic of the Congo (Zaire), Equatorial Guinea, Angola brieni: Democratic Republic of the Congo (Zaire); Type locality: Ipamu |
Reproduction | oviparous |
Types | Holotype: NRM 1796, an 800 mm specimen (Feb. 1892), given erroneously as UUZM (= ZMUU) 1796 by Wallach et al. 2014. Holotype: RMCA (= MRAC = RGMC) 2694, female [brieni] Holotype: RMCA R.608, female collected by Capt. Hecq, [heterochilus] |
Diagnosis | Description (holotype): Adult female; slender snake with moderately robust body and short and rounded head; no constriction between head and body; snout-vent length 712 mm; tail length 33 mm (ratio SVL / TailL = 21.6); head length 16.4 mm (tip of snout to angle of jaws) / 11.7 mm (tip of snout to end of parietal suture); head width 13.8 mm (at widest point) / 5.8 mm (distance between outer margins of supraoculars at the level of mid eye); nostrils directed laterally; dorsally measured distance between nostrils 4.5 mm; small eyes directed dorsolaterally; eye diameter 1.3 mm (horizontal) / 0.9 mm (vertical), pupil roundish; distance from lower border of eye to mouth 3.8 mm; distance between anterior edge of eye to posterior edge of nostril 3.0 mm; 5 supralabials, the 4th being the largest, the 3rd and 4th in contact with eye; 5 infralabials, the 1st and 3rd touching the inframaxillary, the 2nd fused with the inframaxillary, the 3rd being the largest; the 1st pair of infralabials in contact behind mental; rostral visible from above, rounded in lateral and dorsal views; nasal divided, touching 1st to 3rd supralabial and preocular, nostril nearly completely situated in the anterior part of nasal; loreal absent; 1 small preocular, not in contact with frontal, touching 3rd supralabial; 1 postocular only slightly larger than preocular, touching temporal and 4th supralabial; 1 small supraocular (length 2.4 mm); 1 very large anterior temporal (length 5.0 mm) followed by 2 posterior temporals; other than the temporals only 3 further scales touching the posterior borders of parietals; 1 pair of inframaxillaries, mental groove present; top of head covered by 9 scales; suture of internasals 1.4 mm long; suture of prefrontals 1.3 mm long; frontal slightly longer than wide (5.1 mm vs 4.5 mm); suture of parietals 2.9 mm long; dorsal scales smooth, rhombic shaped, decreasing gradually in size dorsally; apical pits absent, but all dorsal scales with a single little pore near the center of the scale; 4 preventrals, 304+1/2 rounded ventral scales; anal divided; subcaudals divided, 21/21+1; ratio ventrals/ subcaudals: 14.5; dorsal scale rows oblique. (from Rödel et el 2019) |
Comment | Venomous! The description by SCHMIDT (1923) is available online (see URL below). Distribution: For a map with localities in Equatorial Guinea see SÁNCHEZ-VIALAS et al. 2022. |
References |
|
External links |