A phyletic analysis of viperine snakes by Groombridge, Brian Cecil

“…The intention of the present study is to investigate the problem of cladistic relationships among snakes currently assigned to the subfamily Viperinae, using characters drawn from the internal and external anatomy of preserved museum specimens, and elements of the methodology known as cladistic or phyletic analysis.…”
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SARS-Cov-2 variants: biological and mathematical considerations for nomenclature by Huang, Jie, Mi, Yi, Li, Junxi, McLean, Gary R.

“…Such potentially confusing naming of a globally important virus therefore warrants further analyses. At the subfamily level, CoVs are divided into four genera (Alpha, Beta, Gamma, Delta) and only viruses of the Alpha and Beta branch infect humans. …”
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The relationships of the laticaudine sea snakes (family elapidae genus laticuada) by McCarthy, C. J.

“…It is suggested that this uncertain situation is best reflected in a classification which treats Laticaudinae, Hydrophiinae and Elapinae as equivalent subfamilies of the Elapidae.…”
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