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. 2022 Nov 30;18(11):20220395. doi: 10.1098/rsbl.2022.0395

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© 2022 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 1. — Identification of hidden bowfin species diversity. (a) Map of eastern North America showing museum specimen collection records of Amia calva (blue), Amia ocellicauda (yellow) and undetermined (tan), retrieved from fishnet2.net. Stars indicate type localities. Diamonds indicate specimens sampled in the ddRAD phylogenetic analysis. (b) Phylogeny and genomic structure analysis of 177 specimens of Amia based on 56 247 ddRAD loci. Photograph of A. ocellicauda from lower Tennessee River, Marshall County, Alabama, USA, YPM 035200, by J.M.M. and Amia calva from the Suwanee River, Gilchrist County, Florida, USA, UF 238466, by Z. Randall. (c) The comparison of pairwise F_st values for comparisons within A. calva (blue) and A. ocellicauda (yellow), and the comparisons between A. calva and A. ocellicauda (green). (d) Boxplot showing IO robusticity (ratio between maximum dorsoventral depth and maximum anteroposterior length) in A. calva and A. ocellicauda. CT-scanned skull of A. calva, TU 22613; CT-scanned skull of A. ocellicauda, TU 118772.