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Article

Mitochondrial DNA variation in North American populations of Daphnia obtusa: continentalism or cryptic endemism?

Molecular ecology - 1 Jan 2004

Penton E H, Hebert P D N, Crease T J

Abstract excerpt

The morphological stasis of many freshwater crustaceans has resulted in the prior delineation of cosmopolitan species and has been explained by their capacity for long-distance dispersal. This study examines the phylogeography of Daphnia obtusa, a cladoceran thought to be widespread in North America. However, sequence variation of the mitochondrial cytochrome c oxidase subunit I gene indicates that this taxon is...

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PMID: 14653792
DOI: 10.1046/j.1365-294x.2003.02024.x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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