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. 2018 Sep 17;9:3793. doi: 10.1038/s41467-018-06120-5

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — Proboscid length of Mesozoic long-proboscid insects. a All known Mesozoic long-proboscid insects. The purple dot represents Fiaponeura. The orange bar (Kalligrammatidae 1) represents the range of proboscid lengths of late Cretaceous kalligrammatids from Burmese amber. The red bar (Kalligrammatidae 2) represents the range of proboscid lengths of Jurassic and Early Cretaceous kalligrammatids from rocks. The blue bar (Sisyridae) represents the range of proboscid lengths of Cretaceous spongillaflies. The green bar (Mecoptera) represents the range of proboscid length of Jurassic and Cretaceous long-proboscid scorpionflies. The yellow bar (Brachycera) shows the range of proboscid lengths of Jurassic and Cretaceous long-proboscid brachyceran flies. b Long-proboscid insects in late Cretaceous Burmese amber. The purple dot represents Fiaponeura. Orange and yellow dots represent kalligrammatids and flies, respectively, and blue and green bars represent spongillaflies and scorpionflies, respectively. See Supplementary Tables 1 and 2 for details