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Article

Low genetic divergence obscures phylogeny among populations of Sphenodon, remnant of an ancient reptile lineage.

Molecular phylogenetics and evolution - 1 Oct 2003

Hay Jennifer M, Daugherty Charles H, Cree Alison, Maxson Linda R

Abstract excerpt

Tuatara (two species of Sphenodon) are the last representatives of a branch of an ancient reptilian lineage, Sphenodontia, that have been isolated on the New Zealand landmass for 82 million years. We present analyses of geographic variation in allozymes, mitochondrial DNA, nuclear DNA sequences, and one-way albumin immunological comparisons. These all confirm a surprisingly low level of genetic diversity within...

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PMID: 12967603
DOI: 10.1016/s1055-7903(03)00091-5

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

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