Search Results - "Martinelli, AgustÍn G"

Early evidence of molariform hypsodonty in a Triassic stem-mammal by Melo, Tomaz P., Ribeiro, Ana Maria, Martinelli, Agustín G., Soares, Marina Bento

“…Hypsodonty, the occurrence of high-crowned teeth, is widespread among mammals with diets rich in abrasive material, such as plants or soil, because it…”
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Enigmatic dinosaur precursors bridge the gap to the origin of Pterosauria by Ezcurra, Martín D., Nesbitt, Sterling J., Bronzati, Mario, Dalla Vecchia, Fabio Marco, Agnolin, Federico L., Benson, Roger B. J., Brissón Egli, Federico, Cabreira, Sergio F., Evers, Serjoscha W., Gentil, Adriel R., Irmis, Randall B., Martinelli, Agustín G., Novas, Fernando E., Roberto da Silva, Lúcio, Smith, Nathan D., Stocker, Michelle R., Turner, Alan H., Langer, Max C.

“…Pterosaurs were the first vertebrates to evolve powered flight 1 and comprised one of the main evolutionary radiations in terrestrial ecosystems of the…”
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Patagomaia could be a gondwanatherian by Püschel, Hans P., Martinelli, Agustín G., Soto-Acuña, Sergio, Vargas, Alexander O.

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Osteohistology of Late Triassic prozostrodontian cynodonts from Brazil by Botha-Brink, Jennifer, Bento Soares, Marina, Martinelli, Agustín G

“…The Prozostrodontia includes a group of Late Triassic-Early Cretaceous eucynodonts plus the clade Mammaliaformes, in which Mammalia is nested. Analysing their…”
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More than 100 years of a mistake: on the anatomy of the atlas of the enigmatic Macrauchenia patachonica by Püschel, Hans P., Martinelli, Agustín G.

“…Ever since the discovery of the first remains of Macrauchenia patachonica by Charles Darwin in 1834, this taxon has puzzled researchers with its peculiar…”
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An additional brain endocast of the ictidosaur Riograndia guaibensis (Eucynodontia: Probainognathia): intraspecific variation of endocranial traits by Kerber, Leonardo, Ferreira, JosÉ Darival, Fonseca, Pedro Henrique M, Franco, Arymatheia, Martinelli, AgustÍn G, Soares, Marina Bento, Ribeiro, Ana Maria

“…Recently, the morphology and encephalization of the brain endocast of the Triassic non-mammaliaform probainognathian cynodont Riograndia guaibensis were…”
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Exceptional avian pellet from the Paleocene of Patagonia and description of its content: a new species of calyptocephalellid (Neobatrachia) anuran by Muzzopappa, Paula, Martinelli, Agustín G., Garderes, Juan P., Rougier, Guillermo W., Cavin, Lionel

“…A fossil gastric pellet from the Danian ‘Banco Negro Inferior’ of the Salamanca Formation at Punta Peligro Locality (Chubut, Argentina) and its 3D preserved…”
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Enamel formation and growth in non-mammalian cynodonts by O'Meara, Rachel N., Dirks, Wendy, Martinelli, Agustín G.

“…The early evolution of mammals is associated with the linked evolutionary origin of diphyodont tooth replacement, rapid juvenile growth and determinate adult…”
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New specimens of Baurutitan britoi and a taxonomic reassessment of the titanosaur dinosaur fauna (Sauropoda) from the Serra da Galga Formation (Late Cretaceous) of Brazil by Silva Junior, Julian C G, Martinelli, Agustín G, Marinho, Thiago S, da Silva, João Ismael, Langer, Max C

“…The description of new titanosaur specimens unearthed from deposits of the Serra da Galga Formation (Bauru Group, Late Cretaceous) at the BR-262 site, near…”
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A new prozostrodontian cynodont (Therapsida) from the Late Triassic Riograndia Assemblage Zone (Santa Maria Supersequence) of Southern Brazil by Soares, Marina B, Martinelli, Agustín G, De Oliveira, Téo V

“…We report here on a new prozostrodontian cynodont, Botucaraitherium belarminoi gen. et sp. nov., from the Late Triassic Riograndia Assemblage Zone (AZ) of the…”
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Author Correction: A New Clevosaurid from the Triassic (Carnian) of Brazil and the Rise of Sphenodontians in Gondwana by Hsiou, Annie S., Nydam, Randall L., Simões, Tiago R., Pretto, Flávio A., Onary, Silvio, Martinelli, Agustín G., Liparini, Alexandre, Martínez, Paulo R. Romo de Vivar, Soares, Marina B., Schultz, Cesar L., Caldwell, Michael W.

“…An amendment to this paper has been published and can be accessed via a link at the top of the paper…”
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Diademodon tetragonus Seeley, 1894 (Therapsida: Cynodontia) in the Triassic of South America and Its Biostratigraphic Implications by MartinellI, Agustín G, Fuente, Marcelo de la, Abdala, Fernando

“…We report for the first time the presence of the cynodont Diademodon tetragonusSeeley, 1894 in the South American Triassic. The specimen, represented by a…”
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A new squamate lizard from the Upper Cretaceous Adamantina Formation (Bauru Group), São Paulo State, Brazil by Nava, William R, Martinelli, Agustín G

“…The record of non-mosasaur squamates (Reptilia, Squamata) is sparse in the Cretaceus fossil record of Brazil and include six putative reports, three from the…”
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Two New Cynodonts (Therapsida) from the Middle-Early Late Triassic of Brazil and Comments on South American Probainognathians by Martinelli, Agustín G, Soares, Marina Bento, Schwanke, Cibele

“…We describe two new cynodonts from the early Late Triassic of southern Brazil. One taxon, Bonacynodon schultzi gen. et sp. nov., comes from the lower Carnian…”
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INSIGHT ON THE THEROPOD FAUNA FROM THE UBERABA FORMATION (BAURU GROUP), MINAS GERAIS STATE: NEW MEGARAPTORAN SPECIMEN FROM THE LATE CRETACEOUS OF BRAZIL by AGUSTÍN G. MARTINELLI, LUIZ CARLOS BORGES RIBEIRO, ARIEL H. MÉNDEZ, FRANCISCO MACEDO NETO, CAMILA LOURENCINI CAVELLANI, EDUARDO FELIX, MARA LÚCIA DA FONSECA FERRAZ, VICENTE DE PAULA ANTUNES TEIXEIRA

“…The first bony theropod record from the Campanian Uberaba Formation (Bauru Group) is described. It consists of an isolated caudal centrum (CPPLIP 1324) found…”
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Fossil birds from the Late Cretaceous Los Alamitos Formation, Río Negro Province, Argentina by Agnolin, Federico L., Martinelli, Agustín G.

“…In this note we report new avian remains from the Late Cretaceous Los Alamitos Formation (Campanian-Maastrichtian) at the Los Alamitos locality, Río Negro…”
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Cretaceous bird from Brazil informs the evolution of the avian skull and brain by Chiappe, Luis M., Navalón, Guillermo, Martinelli, Agustín G., Carvalho, Ismar de Souza, Miloni Santucci, Rodrigo, Wu, Yun-Hsin, Field, Daniel J.

“…A dearth of Mesozoic-aged, three-dimensional fossils hinders understanding of the origin of the distinctive skull and brain of modern (crown) birds 1 . Here we…”
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Fossil basicranium clarifies the origin of the avian central nervous system and inner ear by Chiappe, Luis M., Navalón, Guillermo, Martinelli, Agustín G., Nava, William, Field, Daniel J.

“…Among terrestrial vertebrates, only crown birds (Neornithes) rival mammals in terms of relative brain size and behavioural complexity. Relatedly, the anatomy…”
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Endocranial anatomy of the early prozostrodonts (Eucynodontia: Probainognathia) and the neurosensory evolution in mammal forerunners by Kerber, Leonardo, Roese‐Miron, Lívia, Bubadué, Jamile M., Martinelli, Agustín G.

“…Prozostrodon brasiliensis and Therioherpeton cargnini are non‐mammaliaform cynodonts that lived ~233 million years ago (late Carnian, Late Triassic) in western…”
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New cladotherian mammal from southern Chile and the evolution of mesungulatid meridiolestidans at the dusk of the Mesozoic era by Martinelli, Agustín G., Soto-Acuña, Sergio, Goin, Francisco J., Kaluza, Jonatan, Bostelmann, J. Enrique, Fonseca, Pedro H. M., Reguero, Marcelo A., Leppe, Marcelo, Vargas, Alexander O.

“…In the last decades, several discoveries have uncovered the complexity of mammalian evolution during the Mesozoic Era, including important Gondwanan lineages:…”
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