Journal
ZOOLOGICAL JOURNAL OF THE LINNEAN SOCIETY
Volume 193, Issue 2, Pages 602-635Publisher
OXFORD UNIV PRESS
DOI: 10.1093/zoolinnean/zlaa163
Keywords
Archosauria; feeding behaviour; mandible; musculature reconstruction; myology; palaeontology; skull
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Funding
- CNPq [131186/20175, 421772/2018-2]
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [2019/10231-6]
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) [420687/2016-5, 313461/2018-0]
- Fundacao de Amparo a Pesquisa do Estado do Rio de Janeiro (FAPERJ) [E-26/202.905/2018]
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Studying the muscle structure of extinct groups without descendants is challenging, but reconstructing the jaw muscles of pterosaurs offers a new direction. By using osteological correlates and the extant phylogenetic bracketing method, researchers can estimate bite force and investigate potential dietary habits of pterosaurs.
The reconstruction of jaw muscles is critical in establishing potential cranial functions; however, myological studies of extinct groups that have no descendants are difficult to perform and test. This is particularly true for pterosaurs, a group of extinct flying reptiles that present a plethora of cranial morphologies, suggesting different functions and feeding habits. Here we present a first attempt to reconstruct the adductor musculature of the pterodactyloid skull in detail, using osteological correlates and the extant phylogenetic bracketing method. Using these reconstructions, we estimate bite force for nine selected species and investigate implications for potential dietary habits.
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