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. 2020 Jul 29;2(1):obaa021. doi: 10.1093/iob/obaa021

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© The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Integrative and Comparative Biology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 4 — Neurocranial elevation (degrees) and retraction and depression of the urohyal and cleithrum (millimeter) markers from one feeding event. Left axis is neurocranial rotation in degrees relative to the body plane and right axis is retraction or depression (in millimeter) of the urohyal and cleithrum markers (see Fig. 3 for marker placements and ACS). Neurocranium, black; urohyal retraction, red dashed; urohyal depression, blue dashed; cleithrum retraction, red solid; cleithrum depression, blue solid. Time zero and gray dashed line correspond to peak gape.