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Higher TaxaColubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Mizo rain snake, Narrow-headed smithophis
Mizo: Mizo Ruahrul 
Rhabdops bicolor — DAS 2015: 65
Rhabdops bicolor — LALTANPUIA et al. 2008: 119 (part.)
Smithophis atemporalis — MAHAMUD et al. 2023 
DistributionIndia (Mizoram), Bangladesh

Type locality: Mizoram University Campus, Aizawl, India, (23.76338°N, 93.09916°E, 833 m elevation  
TypesHolotype. BNHS 3523 (Figs. 2, 3), male, collected by H.T. Lalremsanga on 10 July 2014. See map in Fig. 4.
Paratypes (n = 6). BNHS 3524—BNHS 3527, BNHS 3529, males and BNHS 3528, female, collected from
Mizoram University Campus, Aizawl on 14 August 2014 by H.T. Lalremsanga. 
DiagnosisDiagnosis (genus): Natricine snakes with the following combination of characters: (1) a single (‘fused’ or unpaired) internasal shield and a single prefrontal shield, (2) internasal very broad and not or only slightly tapered anteriorly, (3) smooth, unkeeled dorsal scales, (4) fewer than six pairs of supralabial shields, (5) 17 rows of dorsal scales at midbody, (6) C-shaped, valvular external nares, (7) eyes with rounded or elliptical pupils, and (8) eye diameter substantially smaller than distance between eye and naris. (Giri et al. 2019) 
CommentType species: Smithophis atemporalis GIRI et al. 2019 is the type species of the genus Smithophis GIRI et al. 2019.

Key: Vogel et al. 2020 provide a key to the 3 species of Smithophis. 
EtymologyThe specific epithet is in reference to the lack of temporal shields, a diagnostic feature of the new species. For nomenclatural purposes, the species epithet is considered a noun in apposition.

The genus has been named in honour of Malcolm A. Smith (1875–1958) in recognition of his many contributions to herpetology and especially to the knowledge of Asian snakes. 
  • DAS A, Deepak V, Captain A, Wade EOZ, Gower DJ. 2020. Description of a new species of Smithophis Giri et al. 2019 (Serpentes: Colubridae: Natricinae) from Arunachal Pradesh, India. Zootaxa 4860 (2): 267-283 - get paper here
  • GIRI, VARAD B.; DAVID J. GOWER, ABHIJIT DAS, H.T. LALREMSANGA, SAMUEL LALRONUNGA, ASHOK CAPTAIN, V. DEEPAK 2019. A new genus and species of natricine snake from northeast India. Zootaxa 4603 (2): 241-264 - get paper here
  • LALRONUNGA, SAMUEL; C. LALRINCHHANA, LALNUNHLUA, ISAAC ZOSANGLIANA, K. LALHMANGAIHA, MALSAWMDAWNGLIANA, VANLALVUANA, LALKHAWNGAIHA SAILO, LALMUANPUIA, P.L. LALSAWMLIANA, LALNUNSIAMA VARTE, LALZUITLUANGA, VANLALCHHUANGA, NGURTHANMAWIA, H. LALMUANPUIA, 2021. New locality records of the Mizo rain snake Smithophis atemporalis with meristic and morphometric data based on specimen collection and a citizen science initiative. The Herpetological Bulletin (157): 12-15 - get paper here
  • MAHAMUD, I., SHOME, A. R., RABBE, M. F., & KHAN, M. M. H. 2023. First record of the Mizo rain snake Smithophis atemporalis from Bangladesh. Herpetological Bulletin, 166, 35-37 - get paper here
  • Malsawmdawngliana, B. Boruah, N.G. Patel, S. Lalronunga, I. Zosangliana, K. Lalhmangaiha & A. Das 2022. An updated checklist of reptiles from Dampa Tiger Reserve, Mizoram, India, with sixteen new distribution records. Journal of Threatened Taxa 14(10): 21946–21960 - get paper here
  • Muansanga, Lal; Hmar Tlawmte Lalremsanga 2020. Feeding behavior of the Mizo Rainsnake, Smithophis atemporalis (Squamata: Natricidae), in Mizoram, India. IRCF Reptiles & Amphibians 27 (3): 487-488 - get paper here
  • Remruatpui, Lalbiakzuala, and Lalremsanga, H. T. 2020. Smithophis atemporalis (mizo rain snake). Reproduction and elevation. Herpetological Review 51: 156-157. - get paper here
  • Ruatpuii, Rem; Lal Biakzuala, Vishal Santra, Hmar Tlawmte Lalremsanga 2022. Additional Notes on Morphology and Distributional Records of the Snake Genus Smithophis Giri, Gower, Das, Lalremsanga, Lalronunga, Captain et Deepak, 2019 (Squamata: Serpentes: Natricidae) from North-East India Russian Journal of Herpetology 29 (6): 331-340 - get paper here
  • VOGEL, G., CHEN, Z., DEEPAK, V., GOWER, D. J., SHI, J., DING, L., & HOU, M. 2020. A new species of the genus Smithophis (Squamata: Serpentes: Natricidae) from southwestern China and northeastern Myanmar. Zootaxa 4803 (1): 51-74 - get paper here
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