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We explored regionalization of the salamander trunk in seven species and two subspecies of the salamander genus <jats:italic>Lissotriton<\/jats:italic> by the combination of microcomputed tomography scanning and geometric morphometrics. The detailed information on trunk vertebral shape was subjected to a multidimensional cluster analysis and a phenotypic trajectory analysis. With these complementary approaches, we observed a clear morphological regionalization. Clustering analysis showed that the anterior trunk vertebrae (T1 and T2) have distinct morphologies that are shared by all taxa, whereas the subsequent, more posterior vertebrae show significant disparity between species. The phenotypic trajectory analysis revealed that all taxa share a common pattern and amount of shape change along the trunk region. Altogether, our results support the hypothesis of a conserved anterior\u2010posterior developmental patterning which can be associated with different functional demands, reflecting (sub)species\u2019 and, possibly, regional ecological divergences within species.<\/jats:p>","DOI":"10.1111\/joa.13591","type":"journal-article","created":{"date-parts":[[2021,11,11]],"date-time":"2021-11-11T04:46:04Z","timestamp":1636605964000},"page":"639-646","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Variation in vertebrae shape across small\u2010bodied newts reveals functional and developmental constraints acting upon the trunk region"],"prefix":"10.1111","volume":"240","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9320-4296","authenticated-orcid":false,"given":"Stefan J.","family":"Scholtes","sequence":"first","affiliation":[{"name":"Naturalis Biodiversity Center  Leiden The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jan W.","family":"Arntzen","sequence":"additional","affiliation":[{"name":"Naturalis Biodiversity Center  Leiden The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9115-6622","authenticated-orcid":false,"given":"Maja","family":"Ajdukovi\u0107","sequence":"additional","affiliation":[{"name":"Department of Evolutionary Biology Institute for Biological Research \u201cSini\u0161a Stankovi\u0107\u201d National Institute of Republic of Serbia University of Belgrade  Belgrade Serbia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6247-8849","authenticated-orcid":false,"given":"Ana","family":"Ivanovi\u0107","sequence":"additional","affiliation":[{"name":"Faculty of Biology University of Belgrade  Belgrade Serbia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,11,10]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1558-5646.2009.00649.x"},{"key":"e_1_2_8_3_1","unstructured":"Adams D.C. 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