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File:Pneumatopores on the left ilium of the theropod Aerosteon riocoloradensis.jpg

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Description
English: Original caption: "Figure 14. Pneumatopores on the left ilium of the theropod Aerosteon riocoloradensis. Detail views of the left ilium (MCNA-PV-3137). (A)-Pneumatopores on the base of the preacetabular process in lateral view. (B)-Pneumatopores on the central iliac blade in medial view. (C)-Stereopairs of the pubic peduncle in lateral view showing pneumatopore complex. (D)-Pneumatopores on the brevis fossa of the postacetabular process in ventral view; largest pneumatopore (4 cm in transverse diameter) opens posteriorly (to the right) just posterior to five smaller ventrally-facing pneumatopores (marked). A, B, and D are from a cast of MCNA-PV-3137 to reduce colour distraction. Scale bars equal 5 cm in A and 10 cm in B, C and D. Arrows point to pneumatopores."
Date First published September 30, 2008
Source Sereno PC, Martinez RN, Wilson JA, Varricchio DJ, Alcober OA, et al. (Sept 2008). " Evidence for Avian Intrathoracic Air Sacs in a New Predatory Dinosaur from Argentina". PLoS ONE 3(9): e3303.
Author Sereno PC, Martinez RN, Wilson JA, Varricchio DJ, Alcober OA, et al.
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