Postcranial skeletons of Caipirasuchus (Crocodyliformes, Notosuchia, Sphagesauridae) from the Upper Cretaceous (Turonian–Santonian) of the Bauru Basin, Brazil

Iori, Fabiano Vidoi; Carvalho, Ismar de Souza; Marinho, Thiago da Silva

doi:10.1016/j.cretres.2015.11.017

Cited by 14 publications

(34 citation statements)

References 28 publications

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“…In the posterior view a depression occurs in the proximal end of the humerus, however, it is not markedly circular as in S. maxhechti, N. terrestris, M. amarali, Y. boliviensis, C. montealtensis (Riff and Kellner, 2011;Nobre and Carvalho, 2013;Leardi et al, 2015;Iori et al, 2016).…”

Section: Ulnare (Fig 8)mentioning

confidence: 90%

“…Stratiotosuchus maxhechti shows a glenoidal process posteroventrally (Riff and Kellner, 2011). In C. montealtensis it is aligned lateroventrally (Iori et al, 2016). In M. arrudacamposi the glenoidal surface is aligned posteromedially.…”

Section: Ulnare (Fig 8)mentioning

confidence: 97%

“…According to Carvalho et al (2010), an arid or a warm climate, dry seasonal climate with alternated wetter periods, could have influenced the wide diversity of crocodilians in Gondwana during the Cretaceous. According to Iori et al (2016), in the Adamantina Formation of the Monte Alto region, the Morrinhosuchus and Caipirasuchus crocodyliform specimens are autochthonous and occur in typical paleosol deposits, whereas Barreirosuchus and Montealtosuchus are in deposits of fluvial and/or lacustrine environment.…”

Section: Geological Contextmentioning

confidence: 99%

“…In U. terrificus, B. albertoi, C. dinizi, S. clarki, M. amarali, Y. boliviensis, Caipirasuchus montealtensis, as in M. arrudacamposi, the coracoids are more expanded in the distal than in the proximal portion. The coracoid foramen in these crocodyliform is circular, but in C. dinizi is located in the posterodorsal region and in C. montealtensis it is more compressed (Vasconcellos, 2006;Nascimento and Zaher, 2010;Iori et al, 2016;Cotts et al, 2017).…”

Section: Ulnare (Fig 8)mentioning

confidence: 99%

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The morphofunctional design of Montealtosuchus arrudacamposi (Crocodyliformes, Upper Cretaceous) of the Bauru Basin, Brazil

Tavares

Ricardi-Branco

Carvalho

et al. 2017

Cretaceous Research

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Montealtosuchus arrudacamposi, a Peirosauridae from the Upper Cretaceous of the Bauru Basin, was a Crocodyliformes of terrestrial habits. The fossils analyzed in this study belong to the pectoral girdle (scapula and coracoid) and anterior appendicular skeleton (humerus, radius, ulna, carpals, radiale, ulnale, metacarpals and phalanges). In this study we infer the locomotion habits of M. arrudacamposi. A morphometric, morphofunctional and 3D reconstruction of the elements of the pectoral girdle and the anterior limbs of M. arrudacamposi were performed. For a better understanding of the most plausible pectoral girdle and anterior limb posture, the studied bones were virtually disarticulated and articulated on 3D reconstruction. The herein results obtained indicate the structures present a relatively thin and elongated aspect, thus allowing an interpretation that M. arrudacamposi possessed more slender anterior limbs than living crocodyliforms. This condition allowed for an adducted stance and cursorial habits that would enable movement through terrestrial environments for prey searching.

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Section: Ulnare (Fig 8)mentioning

confidence: 90%

Section: Ulnare (Fig 8)mentioning

confidence: 97%

Section: Geological Contextmentioning

confidence: 99%

Section: Ulnare (Fig 8)mentioning

confidence: 99%

See 2 more Smart Citations

The morphofunctional design of Montealtosuchus arrudacamposi (Crocodyliformes, Upper Cretaceous) of the Bauru Basin, Brazil

Tavares

Ricardi-Branco

Carvalho

et al. 2017

Cretaceous Research

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“…Alguns anos depois, Cledinei Aparecido Francisco identifica parte de uma mandíbula (Figura 2C) dentre os fósseis daquele sítio. Iori et al (2009a) Iori et al, 2016). No detalhe, região de Monte Alto com os sítios paleontológicos com ocorrências de Crocodyliformes: Água Limpa (1), Campestre (2), Sítio São José (3), Taiaçu/Monte Alto (4), Tonhão (5), Fazenda Santa Irene (6), Morrinho de Santa Luzia (7), Fazenda São Francisco (8), Barreiro (9).…”

Section: Introductionunclassified

Os crocodiliformes da Formação Marília (Bacia Bauru, Cretáceo Superior) na região de Monte Alto, Estado de São Paulo, Brasil

Iori¹,

Arruda-Campos²

2017

Rev. bras. paleontol.

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Nota científica/Scientific note ABSTRACT-THE CROCODYLIFORMS FROM THE MARÍLIA FORMATION (BAURU BASIN, UPPER CRETACEOUS) IN THE MONTE ALTO REGION, SÃO PAULO STATE, BRAZIL. This study presents the oldest historical record of fossil crocodyliforms in the region of the Monte Alto, SP, besides the analysis of an additional fossil from the same site. The specimens come from the Marília Formation and they are the only known local occurrences of Crocodyliformes cranial fragments in this stratigraphic unit. This study expands the knowledge about Crocodyliformes of the Bauru Basin and contributes to the definition of the regional paleofauna during the Maastrichtian.

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A survey of osteoderm histology and ornamentation among Crocodylomorpha: A new proxy to infer lifestyle?

Pochat‐Cottilloux

Martin

Amiot

et al. 2022

Journal of Morphology

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Osteoderms of eight extant and extinct species of crocodylomorphs are studied histologically and morphologically. Most osteoderms display the typical “crocodilian” structure with a woven‐fibered matrix surrounded by an upper and a lower parallel fibered matrix. The dorsal ornamentation of those specimens consists of a pit‐and‐ridge structure, with corresponding remodeling mechanisms. However, an osteoderm of Iberosuchus, studied here for the first time, differs in being nearly devoid of ornamentation; moreover, it shows strong bundles of straight Sharpey's fibers perpendicular to the surface in its lateral and dorsal walls, along with a rough plywood‐like structure in its basal plate. This suggests that this osteoderm was more deeply anchored within the dermis than the other osteoderms studied hitherto. This peculiar structure might have been linked to a terrestrial ecology and a specific thermoregulation strategy. Some other notosuchians in our sample do not exhibit ornamentation on their osteoderms, as opposed to neosuchians. Considering current interpretations of osteoderm function(s) in crocodilians, our observations are discussed in reference to possible ecophysiological peculiarities of Notosuchia in general, and Iberosuchus in particular.

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Postcranial skeletons of Caipirasuchus (Crocodyliformes, Notosuchia, Sphagesauridae) from the Upper Cretaceous (Turonian–Santonian) of the Bauru Basin, Brazil

Cited by 14 publications

References 28 publications

The morphofunctional design of Montealtosuchus arrudacamposi (Crocodyliformes, Upper Cretaceous) of the Bauru Basin, Brazil

The morphofunctional design of Montealtosuchus arrudacamposi (Crocodyliformes, Upper Cretaceous) of the Bauru Basin, Brazil

Os crocodiliformes da Formação Marília (Bacia Bauru, Cretáceo Superior) na região de Monte Alto, Estado de São Paulo, Brasil

A survey of osteoderm histology and ornamentation among Crocodylomorpha: A new proxy to infer lifestyle?

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