Template:Angarita-Sierra, 2019

• Angarita-Sierra, T. 2019. On the second specimen of Atractus alytogrammus (Serpentes: Dipsadidae), with description of its unusual hemipenial morphology. Zootaxa 4551(3): 396–400. DOI: 10.11646/zootaxa.4551.3.10  
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• Date of publicationː 1 February
• ZooBank: 615BAFC9-F81E-4D81-A877-51699828008C
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