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. 2023 Oct 25;13(21):3313. doi: 10.3390/ani13213313

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Phylogenetic tree and evolutionary rates of gastropod mitochondrial genes. (a) Phylogenetic tree of gastropods with Amphioctopus marginatus as outgroup. Bootstrap value is displayed on the branch. Red branches represent deep-sea gastropods. (b) Evolutionary rate comparison of mitochondrial genes between deep-sea lineage (Abyssochrysoidea) and shallow-water lineage (Tonnoidea, Conoidea, and Muricoidea). ω0 represents the dN/dS values of the shallow-water lineage, and ω1 represents the dN/dS values of the deep-sea lineage. ** indicates extremely significant difference with 0.001 < p-value < 0.01.