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PROCEEDINGS OF THE CALIFORNIA ACADEMY OF SCIENCES 
Series 4, Volume 65, Supplement II 
Atractaspis irregularis (Reinhardt, 1843) Variable Stiletto Asp 
Flaps irregularis Reinhardt 1843:264, pi. 3, figs. 1-3. Holotype: ZMUC 6885 (collector J.R. Chenon). Type 
locality: “Guinea,” in error, “coast of Ghana”Hughes and Barry (1969:1032), resticted to the “vicin¬ 
ity of Accra, Ghana” by Rasmussen and Hughes (1997). 
Atractaspis irregularis: Gunther (1865a:480), Peters (1877a:616), Bocage (1895a: 143), Boulenger 
(1915:223), Monard (1937b: 141), Frade (1963:253), Spawls and Branch (1995:36), Chippaux (2006:186), 
Wallach et al. (2014:65). 
Atractaspis corpulentus: Bocage (1866a:49). 
Atractaspis irregularisparkeri: Laurent (1950b:17), Managas (1981:41), Chippaux (2006:186). 
Atractaspis irregularis irregularis: Chirio and LeBreton (2007:634). 
Atractaspis irregularis: Wallach et al. (2014:65). 
Global conservation status (lUCN): Least Concern. 
Global distribution: The species is widely distributed across sub-Saharan Africa from Sierra 
Leone to the Central African Republic to South Sudan, Eritrea and Ethiopia and south to Tanzania, 
the Democratic Republic of Congo and north¬ 
ern Angola. 
Ocurrences in Angola (Map 284): The 
species has been reported from the northwest¬ 
ern regions of the country, including the 
Cabinda enclave. Cabinda: “Chinchoxo” 
[-5.10000, 12.10000] (Peters 1877a:616; Lau¬ 
rent 1950b:17; Mananas 1981:41); “Molembo” 
[-5.33333, 12.20000] (Bocage 1895a:143; 
Monard 1937b:141; Managas 1981:41). Zaire: 
“S. Salvador do Congo” [-6.26667, 14.23333] 
(Bocage 1895a:143; Monard 1937b:141; Lau¬ 
rent 1950b:17; Managas 1981:40). Malanje: 
“Pungo Andongo” [-9.66667, 15.58333] (Giin- 
ther 1865a;480). 
Taxonomic and distributional notes: In 
addition to the nominate form, which occurs in 
Angola, four other subspecies are currently 
recognized. 
Map 284. Distribution of Atractaspis irregularis in 
Angola. 
Atractaspis reticulata heterochilus Boulenger, 1901 Reticulate Stiletto Snake 
Atractaspis heterochilus Boulenger 1901:13, pi. V, fig. 1. Type: MRAC 9321 (eolleetor Capt. Heeq). Type 
loeality: “des environs d’Albertville, sur le Tanganika” [= Kalemie, Tanganyika Provinee], Demoeratie 
Republie of Congo. 
Atractaspis reticulata heterochilus: Hellmieh (1957b:77), Spawls and Braneh (1995:39). 
Atractaspis reticulata heterochilus {Atractaspis heterochilus): Managas (1981:42). 
Atractaspis reticulata heterochilus: Chippaux (2006:192), Chirio and LeBreton (2007:636), Dobiey and Vogel 
(2007:30). 
Atractaspis reticulata: Wallaeh et al. (2014:66). 
Global conservation status (lUCN): Data Deficient. 
Global distribution; The subspecies is known from southern Cameroon, through Equatorial 
Guinea, Congo, large portions of the Democratic Republic of Congo to northwestern Angola, 
possibly including the Cabinda enclave. 
