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We used geometric morphometrics to identify localized shape changes, focusing on the differences between the major clades of the crown\u2010group Crocodylia: Alligatoridae and Crocodylidae. We used published bite performance data to correlate rostral function with postrostral morphology. The skull modules appear more integrated within Alligatoridae than within Crocodyliade. Phylogenetic effects on shape variation are more evident in Alligatoridae than in Crocodylidae, where functional parameters concerning the rostral morphology are proportionally more important than phylogeny. Long\u2010snouted species are characterized by low structural performance, which is significantly associated with a reduction of the pterygoid\u2010quadrate cranial nipper, suggesting that the nipper is important for the ingestion of large food items in generalist species. This functional association is coupled with a significant evolutionary allometry at the clade level, while Alligatoridae and Crocodylidae show different degrees of evolutionary allometry for their entire shape and rostrum. The postrostrum is more conservative than the rostrum in terms of morphospace occupation, evolutionary allometry and phylogenetic signal.<\/jats:p>","DOI":"10.1111\/1749-4877.12062","type":"journal-article","created":{"date-parts":[[2013,7,25]],"date-time":"2013-07-25T13:22:53Z","timestamp":1374758573000},"page":"498-516","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":54,"title":["Morphological integration and functional modularity in the crocodilian skull"],"prefix":"10.1111","volume":"9","author":[{"given":"Paolo","family":"PIRAS","sequence":"first","affiliation":[{"name":"Pierre and Marie Curie University  Paris France"},{"name":"Center for Evolutionary Ecology  Rome Italy"},{"name":"Department of Sciences \u2018Roma Tre\u2019 University  Rome Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Angela D.","family":"BUSCALIONI","sequence":"additional","affiliation":[{"name":"Biology Department Universidad Aut\u00f3noma de Madrid  Madrid Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luciano","family":"TERESI","sequence":"additional","affiliation":[{"name":"Department of Mathematics and Physics \u2018Roma Tre\u2019 University  Rome Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pasquale","family":"RAIA","sequence":"additional","affiliation":[{"name":"Center for Evolutionary Ecology  Rome Italy"},{"name":"Earth Sciences Department Federico II University  Naples Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gabriele","family":"SANSALONE","sequence":"additional","affiliation":[{"name":"Center for Evolutionary Ecology  Rome Italy"},{"name":"Department of Sciences \u2018Roma Tre\u2019 University  Rome Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tassos","family":"KOTSAKIS","sequence":"additional","affiliation":[{"name":"Center for Evolutionary Ecology  Rome Italy"},{"name":"Department of Sciences \u2018Roma Tre\u2019 University  Rome Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jorge","family":"CUBO","sequence":"additional","affiliation":[{"name":"Sorbonne Universit\u00e9s  UPMC Univ Paris 06, UMR 7193 ISTeP France"},{"name":"CNRS  UMR 7193 ISTeP Paris France"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2014,9,18]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1080\/11250000409356545"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1214\/ss\/1177013696"},{"key":"e_1_2_6_4_1","volume-title":"Morphometric Tools for Landmark Data. 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