2007
DOI: 10.4072/rbp.2007.2.02
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O esqueleto pós-craniano de Exaeretodon riograndensis Abdala et al. (Cynodontia, Traversodontidae)

Abstract: RESUMO-Pela primeira vez, elementos pós-cranianos de Exaeretodon riograndensis, um cinodonte traversodontídeo da Cenozona de Rhynchosauria da Formação Santa Maria, Neotriássico do sul do Brasil, são descritos e comparados com E. frenguellii e outros cinodontes não-mamalianos. O material inclui parte da coluna vertebral, radio, ulna e elementos da cintura pélvica. As diferenças mais significativas em relação a E. frenguellii estão na morfologia e nas dimensões do arco neural do atlas, na presença de intercentro… Show more

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Cited by 27 publications
(19 citation statements)
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“…This morphology is similar to that observed in Exaeretodon (Bonaparte, 1963;Oliveira, 2006;Oliveira et al, 2007) and is explained by the corresponding morphology of the medial face of the iliac blade, which is medioventrally directed in its anterior half and shifts medially in the posterior region. Pelvic girdle.…”
Section: P R O V a Ssupporting
confidence: 57%
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“…This morphology is similar to that observed in Exaeretodon (Bonaparte, 1963;Oliveira, 2006;Oliveira et al, 2007) and is explained by the corresponding morphology of the medial face of the iliac blade, which is medioventrally directed in its anterior half and shifts medially in the posterior region. Pelvic girdle.…”
Section: P R O V a Ssupporting
confidence: 57%
“…in Exaeretodon frenguellii Cabrera, 1943(see Bonaparte, 1963 and Kayentatherium (Lewis, 1986;Sues & Jenkins, 2006). Besides, the specimen UFRGS PV-0146-T [as well as Procynosuchus (Kemp, 1980b), Exaeretodon (Bonaparte, 1963;Oliveira, 2006;Oliveira et al, 2007) and Probainognathus (Abdala, 1996)] also lack the anapophyses assigned for cynodonts as Thrinaxodon (Jenkins, 1971), Diademodon (Brink, 1955), and Oligokyphus (Kühne, 1956). The presacral vertebrae do not differ significantly from those described by von Huene (1935Huene ( -1942 for C. theotonicus.…”
Section: Discussionmentioning
confidence: 99%
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“…Anapophyses occur in all basal epicynodonts (e.g., Galesaurus , Thrinaxodon ) and several cynognathians (e.g., Cynognathus , Diademodon , Cricodon , Andescynodon , Luangwa , Protuberum ; [17, 38]). They are not observed in the axial skeleton of Procynosuchus [14], several traversodontids (e.g., Menadon , Massetognathus , Exaeretodon ; [12, 8182] and probainognathians [16, 80, 83]. The pre- and postzygapophyses are eroded but postzygapophyses appear to have a nearly horizontal orientation and are placed in a relatively high position on the neural arch (Fig 2A).…”
Section: Resultsmentioning
confidence: 99%
“…Agudo structural block, where also other fossiliferous sites occur, for instance, the "Várzea do Agudo" or "Janner" site (Santa Maria Formation) and the Sacisaurus site (Caturrita Formation). The first one is included into the Hyperodapedon AZ, and yields several fossil vertebrates with an overall predominance of the traversodontid cynodont genus Exaeretodon (Cabrera, 1943) followed by rhynchosaurs, dinosauriforms and other cynodonts Oliveira et al, 2007Oliveira et al, , 2010Cabreira et al, 2011;Müller et al, 2014). Some authors Liparini et al, 2013) Exaeretodon.…”
Section: Accepted Manuscriptmentioning
confidence: 97%