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Article

Molecular Evidence for the Parallel Evolution of Anosmia in Multiple Odontoceti (Toothed Whales) Clades.

Genes - 31 May 2026

Springer Mark S, McGowen Michael R, Gatesy John

Abstract excerpt

Background/Objectives. Living odontocetes are the only extant mammals that lack anatomical features associated with olfaction. A leading hypothesis for the presumed complete loss of smell (i.e., anosmia) in odontocetes is that olfaction was lost in the common ancestor of the crown clade. An alternative hypothesis is that olfaction was lost in parallel in different odontocete lineages. Methods. A data set that...

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Identifiers

PMID: 42353812
DOI: 10.3390/genes17060651
PMCID: PMC13299492

Genes

CNGA2
CNGA4
OMP

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026.

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