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Monopeltis infuscata BROADLEY, 1997

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Higher TaxaAmphisbaenidae, Amphisbaenia, Lacertoidea, Sauria, Squamata (lizards)
Subspecies 
Common NamesE: Dusky Spade-snouted Worm Lizard, Infuscate wedge-snouted amphisbaenian 
SynonymMonopeltis infuscata BROADLEY 1997
Monopeltis capensis (not A. SMITH) — PETERS 1867: 235 (part.)
Monopeltis sphenorhynchus — PETERS 1879: 275 (part.)
Monopeltis capensis capensis — LOVERIDGE 1941: 423 (part.)
Monopeltis infuscata — GANS 2005: 36
Monopeltis infuscata — BATES et al. 2014: 153 
DistributionSW Angola, south through Namibia to the Republic of South Africa (N Cape Province) and west into SW Botswana and Zimbabwe.

Type locality: Nottingham Estates, Beitbridge, Zimbabwe.  
Reproduction 
TypesHolotype: NMZB 6072 
DiagnosisDiagnosis. A plesiomorphic sibling species of M. capensis, from which it is distinguished by its extensive dark dorsal pigmentation and the presence of a transverse division of the large dorsal head shield in juveniles, which persists as a pair of blind lateral clefts in nearly half of the adult specimens. There are usually four postgenials in the first row rather than two or three as in M. capensis. (Broadley 1997). 
CommentA plesiomorphic sibling species of Monopeltis capensis-complex. Sympatric with M. sphenorhynchus in Zimbabwe, with M. anchietae in Angola and Namibia, with M. leonardi in Namibia, with M. s. mauricei and Dalophia pistillum in Botswana and with M. capensis at Gabane (Botswana).

Sympatry. M. infuscata is sympatric with M. s. sphenorhynchus at the type locality (Broadley 1988a). It is sympatric with M. anchietae at Humbe in Angola and Windhoek in Namibia, while it is sympatric with both M. anchietae and M. leonhardi at Okahandja, Otjarondyupa, Osongombe and on the Waterberg. In
Botswana, M. infuscata is sympatric with M. anchietae 40 km west of Ghanzi, with M. s. mauricei and Dalophia pistillum at Mabuasehube Pan and with M. capensis at Gabane (Broadley 1997). 
EtymologyThe name (L. in = in, fuscus = brown) refers to the patchy grey-brown dorsal pigmentation, which is more extensive than in any other member of the M. capensis complex. 
References
  • Baptista NL, António T, Branch WR. 2019. The herpetofauna of Bicuar National Park and surroundings, southwestern Angola: a preliminary checklist. Amphibian & Reptile Conservation 13(2) [Special Section]: 96–130 (e203) - get paper here
  • Bates, M.F.; Branch, W.R., Bauer, A.M.; Burger, M., Marais, J.; Alexander, G.J. & de Villliers, M.S. (eds.) 2014. Atlas and Red List of the Reptiles of South Africa, Lesotho, and Swaziland. Suricata 1. South African National Biodiversity Institute, Pretoria, 512 pp.
  • Broadley, D. G. 1997. A review of the Monopeltis capensis complex in southern Africa (Reptilia: Amphisbaenidae). African Journal of Herpetology 46 (1): 1-12. - get paper here
  • Conradie W, Keates C, Verburgt L, Baptista NL, Harvey J, Júlio T, Neef G. 2022. Contributions to the herpetofauna of the Angolan Okavango-Cuando-Zambezi River drainages. Part 2: Lizards (Sauria), chelonians, and crocodiles. Amphibian & Reptile Conservation 16(2): 181–214 (e322) - get paper here
  • Gans, C. 2005. CHECKLIST AND BIBLIOGRAPHY OF THE AMPHISBAENIA OF THE WORLD. Bull. Am. Mus. Nat. Hist. 289: 1-130 - get paper here
  • Herrmann, H.-W.; W.R. Branch 2013. Fifty years of herpetological research in the Namib Desert and Namibia with an updated and annotated species checklist. Journal of Arid Environments 93: 94–115 - get paper here
  • Marques, Mariana P.; Luis M. P. Ceríaco , David C. Blackburn , and Aaron M. Bauer 2018. Diversity and Distribution of the Amphibians and Terrestrial Reptiles of Angola -- Atlas of Historical and Bibliographic Records (1840–2017). Proc. Cal. Acad. Sci. (Ser. 4) 65: 1-501 (Supplement II)
 
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