XXI.—Notice on the Megalosaurus or great Fossil Lizard of Stonesfield.

Buckland, William

doi:10.1144/transgslb.1.2.390

Cited by 94 publications

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“…T H E theropod Poekilopleuron bucklandii from the Middle Bathonian of Normandy was described by Eudes-Deslongchamps in 1838, 13 years after Megalosaurus bucklandii from the Middle Bathonian of Stones®eld in Oxfordshire (Buckland 1824;Mantell 1827). Eudes-Deslongchamps attached the speci®c name of bucklandii to his new genus, so that in case of synonymy of the two genera, the synonymy would involve the suppression of only the generic name (Hulke 1879).…”

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Poekilopleuron bucklandii, the theropod dinosaur from the Middle Jurassic (Bathonian) of Normandy

Allain

Chure

2002

Palaeontology

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ABSTRACT. Poekilopleuron bucklandii, described by Eudes-Deslongchamps in 1838, is one of the earliest discovered dinosaurs. Although incomplete, it is one of the best preserved Middle Jurassic theropods known from Europe. Unfortunately, the only specimen of P. bucklandii, housed in the Muse Âe de la Faculte Â des Sciences de Caen, was destroyed during World War II. However, casts of some parts of the type skeleton have been found in the collections of the Museum National d'Histoire Naturelle, Paris. These casts and Eudes-Deslongchamps' monograph are used to redescribe the specimen. Poekilopleuron shares one synapomorphy with the Spinosauroidea and we tentatively assign it to that clade. The possible synonymy between Poekilopleuron and Megalosaurus is examined and we conclude that Megalosaurus is a nomen dubium and that the name should be restricted to the type dentary.

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Poekilopleuron bucklandii, the theropod dinosaur from the Middle Jurassic (Bathonian) of Normandy

Allain

Chure

2002

Palaeontology

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“…Según estos autores, se sitúa en un grupo incertae sedis dentro de Theropoda. Algunos caracteres de Megalosaurus y CPT-1980 son similares: compresión labiolingual y carenas denticuladas en posición simétrica en la corona que llegan hasta la base en la carena distal y hasta la mitad apical en la mesial (Buckland, 1824;Benson et al, 2008). La principal diferencia con Megalosaurus es la presencia de ranuras o arrugas entre los dentículos en el ejemplar CPT-1980 (ver figura 2:E y F).…”

Section: Comparación Y Discusiónunclassified

Diente de un gran dinosaurio terópodo (Allosauroidea) de la Formación Villar del Arzobispo (Titónico-Berriasiense) de Riodeva (España)

Royo–Torres¹,

Cobos²,

Alcalá³

2009

Estud. geol.

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RESUMENSe describe un diente de dinosaurio terópodo de 98,3 mm de longitud apical hallado en el término municipal de Riodeva (Teruel). El diente ha sido localizado de forma aislada en un nivel de microconglomerados perteneciente a la Formación Villar del Arzobispo de edad Titónico-Berriasiense. La morfología del diente, comprimido labiolingualmente, con las carenas denticuladas que alcanzan la base de la corona distal pero no la mesial, y el tamaño del ejemplar permiten incluirlo dentro del clado Allosauroidea. La variabilidad existente entre los dientes de diferentes géneros de alosauroideos determina que sea prudente no asignarlo a un grupo concreto dentro de este clado.Palabras clave: Dinosaurio, Theropoda, Allosauroidea, Diente, Riodeva, Titónico-Berriasiense. ABSTRACTAn isolated theropod tooth from a microconglomerate of the Tithonian-Berriasian Villar del Arzobispo Formation at Riodeva (Aragón, Spain) is described. The specimen is remarkably large (apical length: 98.3 mm). The morphology of the tooth is compressed labiolingually, with denticules on the carinae reaching the base in the carina distal but not in the mesial one. These features and their large size allow us to include it in the clade Allosauroidea. Having in mind the dental variability existing among the tooth of the different genera of Allosauroidea we can not assign it to any definite group within this clade.

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“…Since their very earliest recognition by Dean William Buckland (Buckland 1824) from the Middle Jurassic Stonesfield Slate of Oxfordshire, Mesozoic mammals have generated controversy (Desmond 1985). Transformationists like Robert Grant denied that they were mammals, because it disturbed their accepted temporal sequence of Mesozoic reptiles preceding the exclusively Tertiary mammals.…”

Section: Chapter 5 the Mesozoic Mammalsmentioning

confidence: 99%

The origin and evolution of mammals

2005

Choice Reviews Online

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XXI.—Notice on the Megalosaurus or great Fossil Lizard of Stonesfield.

Cited by 94 publications

References 0 publications

Poekilopleuron bucklandii, the theropod dinosaur from the Middle Jurassic (Bathonian) of Normandy

Poekilopleuron bucklandii, the theropod dinosaur from the Middle Jurassic (Bathonian) of Normandy

Diente de un gran dinosaurio terópodo (Allosauroidea) de la Formación Villar del Arzobispo (Titónico-Berriasiense) de Riodeva (España)

The origin and evolution of mammals

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