{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,8]],"date-time":"2026-02-08T13:05:19Z","timestamp":1770555919384,"version":"3.49.0"},"reference-count":48,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2023,6,27]],"date-time":"2023-06-27T00:00:00Z","timestamp":1687824000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100003593","name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","doi-asserted-by":"publisher","award":["302611\/2018\u20135"],"award-info":[{"award-number":["302611\/2018\u20135"]}],"id":[{"id":"10.13039\/501100003593","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["anatomypubs.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The Anatomical Record"],"published-print":{"date-parts":[[2024,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p><jats:italic>Anilius scytale<\/jats:italic> is the sister lineage of all other alethinophidian snakes. Morphology of the hind limb complex in adult A. scytale (Aniliidae) has been documented. We herein, for the first time, describe the embryology of the skeletal elements of its hind limb and pelvic girdle and contextualize the evolution of these structures. We identified pregnant females of <jats:italic>A. scytale<\/jats:italic> in the Herpetology Collection of the Museu Paraense Em\u00edlio Goeldi and separated 40 embryos. The embryos were sequentially staged using external and internal anatomy, collectively comprising a developmental series representing six stages. We cleared\u2010stained one specimen of stages 31, 34, 36, and 37. Using the embryological information gleaned from <jats:italic>A. scytale<\/jats:italic>, we reinterpret evidence relating to the ossification of the pelvis and hindlimbs. In <jats:italic>A. scytale<\/jats:italic> hindlimb buds develop as transient structures that developed before Stage 30 and regresses in subsequent stages. There is no external or internal evidence of the forelimb or scapular girdle. From Stage 31 onwards the ischium, pubis, ilium, femur and zeugopodial cartilages are visible. Pubis and femur ossify towards the end of embryonic life, and cloacal spurs do not develop in the embryo. Skeletal elements of the hindlimb and pelvic girdle develop initially in the ventral zone of the cloaca\u2010tail region. In subsequent stages the hindlimb and pelvic girdle elements migrate dorsally, with the pubis\/ischium positioned medial to the ribs. A similar process may be associated with the achievement of the condition of the pelvic girdle in adults of scolecophidians, pythonids and boids.<\/jats:p>","DOI":"10.1002\/ar.25279","type":"journal-article","created":{"date-parts":[[2023,6,27]],"date-time":"2023-06-27T03:55:17Z","timestamp":1687838117000},"page":"66-80","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Embryonic development of the pelvic girdle and hindlimb skeletal elements in <i>Anilius scytale<\/i> (Linnaeus,\u00a01758) (Serpentes: Aniliidae)"],"prefix":"10.1002","volume":"307","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8744-4127","authenticated-orcid":false,"given":"Ricardo Arturo","family":"Guerra\u2010Fuentes","sequence":"first","affiliation":[{"name":"Faculdade de Ci\u00eancias Naturais Campus Universit\u00e1rio do Tocantins\u2010Camet\u00e1, Universidade Federal do Par\u00e1, Travessa Padre Ant\u00f4nio Franco  Camet\u00e1 Par\u00e1 Brazil"},{"name":"Laborat\u00f3rio de Herpetologia, Departamento de Zoologia Museu Paraense Em\u00edlio Goeldi  Bel\u00e9m Par\u00e1 Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rom\u00e1rio Gemaque","family":"de Sousa","sequence":"additional","affiliation":[{"name":"Laborat\u00f3rio de Herpetologia, Departamento de Zoologia Museu Paraense Em\u00edlio Goeldi  Bel\u00e9m Par\u00e1 Brazil"},{"name":"Programa de P\u00f3s\u2010Gradua\u00e7\u00e3o em Biodiversidade e Evolu\u00e7\u00e3o, Departamento de Zoologia Museu Paraense Em\u00edlio Goeldi  Bel\u00e9m Par\u00e1 Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4164-6815","authenticated-orcid":false,"given":"Ana L\u00facia","family":"da Costa Prudente","sequence":"additional","affiliation":[{"name":"Laborat\u00f3rio de Herpetologia, Departamento de Zoologia Museu Paraense Em\u00edlio Goeldi  Bel\u00e9m Par\u00e1 Brazil"},{"name":"Programa de P\u00f3s\u2010Gradua\u00e7\u00e3o em Biodiversidade e Evolu\u00e7\u00e3o, Departamento de Zoologia Museu Paraense Em\u00edlio Goeldi  Bel\u00e9m Par\u00e1 Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2023,6,27]]},"reference":[{"key":"e_1_2_10_2_1","first-page":"203","article-title":"Contribu\u00e7\u00e3o ao conhecimento dos of\u00eddios neotr\u00f3picos: 14. 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