دورية أكاديمية
أعرض في EDS

Reconstruction of the pelvic girdle and hindlimb musculature of the early tetanurans Piatnitzkysauridae (Theropoda, Megalosauroidea).

التفاصيل البيبلوغرافية
العنوان: Reconstruction of the pelvic girdle and hindlimb musculature of the early tetanurans Piatnitzkysauridae (Theropoda, Megalosauroidea).
المؤلفون: Lacerda MBS; Structure and Motion Laboratory, Department of Comparative Biomedical Sciences, The Royal Veterinary College, Hatfield, UK.; Pós-Graduação em Zoologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil., Bittencourt JS; Departamento de Geologia, Instituto de Geociências, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil., Hutchinson JR; Structure and Motion Laboratory, Department of Comparative Biomedical Sciences, The Royal Veterinary College, Hatfield, UK.
المصدر: Journal of anatomy [J Anat] 2024 Apr; Vol. 244 (4), pp. 557-593. Date of Electronic Publication: 2023 Dec 01.
نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't
اللغة: English
بيانات الدورية: Publisher: Blackwell Publishing Country of Publication: England NLM ID: 0137162 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1469-7580 (Electronic) Linking ISSN: 00218782 NLM ISO Abbreviation: J Anat Subsets: MEDLINE
أسماء مطبوعة: Publication: 2002- : Oxford : Blackwell Publishing
Original Publication: London, Cambridge Univ. Press [etc.].
مواضيع طبية MeSH: Biological Evolution* , Dinosaurs*/anatomy & histology, Animals ; Phylogeny ; Lower Extremity ; Hindlimb/anatomy & histology ; Muscle, Skeletal/anatomy & histology
مستخلص: Piatnitzkysauridae were Jurassic theropods that represented the earliest diverging branch of Megalosauroidea, being one of the earliest lineages to have evolved moderate body size. This clade's typical body size and some unusual anatomical features raise questions about locomotor function and specializations to aid in body support; and other palaeobiological issues. Biomechanical models and simulations can illuminate how extinct animals may have moved, but require anatomical data as inputs. With a phylogenetic context, osteological evidence, and neontological data on anatomy, it is possible to infer the musculature of extinct taxa. Here, we reconstructed the hindlimb musculature of Piatnitzkysauridae (Condorraptor, Marshosaurus, and Piatnitzkysaurus). We chose this clade for future usage in biomechanics, for comparisons with myological reconstructions of other theropods, and for the resulting evolutionary implications of our reconstructions; differential preservation affects these inferences, so we discuss these issues as well. We considered 32 muscles in total: for Piatnitzkysaurus, the attachments of 29 muscles could be inferred based on the osteological correlates; meanwhile, in Condorraptor and Marshosaurus, we respectively inferred 21 and 12 muscles. We found great anatomical similarity within Piatnitzkysauridae, but differences such as the origin of M. ambiens and size of M. caudofemoralis brevis are present. Similarities were evident with Aves, such as the division of the M. iliofemoralis externus and M. iliotrochantericus caudalis and a broad depression for the M. gastrocnemius pars medialis origin on the cnemial crest. Nevertheless, we infer plesiomorphic features such as the origins of M. puboischiofemoralis internus 1 around the "cuppedicus" fossa and M. ischiotrochantericus medially on the ischium. As the first attempt to reconstruct muscles in early tetanurans, our study allows a more complete understanding of myological evolution in theropod pelvic appendages.
(© 2023 The Authors. Journal of Anatomy published by John Wiley & Sons Ltd on behalf of Anatomical Society.)
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معلومات مُعتمدة: 200203/2022-3 Conselho Nacional de Desenvolvimento Científico e Tecnológico; 001 Coordenação de Aperfeiçoamento de Pessoal de Nível Superior; 695517 European Research Council Horizon 2020; PPM-00304-18 Fundação de Amparo à Pesquisa do Estado de Minas Gerais
فهرسة مساهمة: Keywords: Dinosauria; Jurassic; extant phylogenetic bracket; functional morphology; soft-tissue
تواريخ الأحداث: Date Created: 20231201 Date Completed: 20240318 Latest Revision: 20240410
رمز التحديث: 20240410
مُعرف محوري في PubMed: PMC10941590
DOI: 10.1111/joa.13983
PMID: 38037880
قاعدة البيانات: MEDLINE
الوصف
تدمد:1469-7580
DOI:10.1111/joa.13983