Pleurodontagama is an extinct genus of iguanian lizard from the Late Cretaceous of Mongolia. The type species, Pleurodontagama aenigmatodes, was named in 1984 on the basis of a mostly complete skull and isolated lower jaw from a fossil locality called Khermeen Tsav. It has a wide skull with a flat snout, large eye sockets, and small bumps on the surfaces of the bones. Pleurodontagama was initially classified in the family Priscagamidae, which is usually grouped in a large clade of iguanians called Acrodonta, members of which are characterized by an "acrodont" dentition in which the teeth grow from the margins of the jaws. However, Pleurodontagama is unusual in that it has a sub-pleurodont dentition, meaning that some of its teeth grow from the inner surfaces of the jaw. There is also evide
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| - Pleurodontagama (en)
- Pleurodontagama (pt)
- Pleurodontagama (uk)
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| - Pleurodontagama is an extinct genus of iguanian lizard from the Late Cretaceous of Mongolia. The type species, Pleurodontagama aenigmatodes, was named in 1984 on the basis of a mostly complete skull and isolated lower jaw from a fossil locality called Khermeen Tsav. It has a wide skull with a flat snout, large eye sockets, and small bumps on the surfaces of the bones. Pleurodontagama was initially classified in the family Priscagamidae, which is usually grouped in a large clade of iguanians called Acrodonta, members of which are characterized by an "acrodont" dentition in which the teeth grow from the margins of the jaws. However, Pleurodontagama is unusual in that it has a sub-pleurodont dentition, meaning that some of its teeth grow from the inner surfaces of the jaw. There is also evide (en)
- Pleurodontagama é um gênero extinto de lagarto iguaniano do Cretáceo Superior da Mongólia. A espécie típica, Pleurodontagama aenigmatodes, foi nomeada em 1984 com base em um crânio quase completo e mandíbula inferior isolada de uma localidade fóssil chamada Khermeen Tsav. Tem um crânio largo com um focinho plano, grandes soquetes oculares, e pequenos solavancos nas superfícies dos ossos. Pleurodontagama foi inicialmente classificado na família Priscagamidae, que é geralmente agrupada em um grande clado de iguanians chamado Acrodonta, membros dos quais são caracterizados por uma dentição "acrodonte" em que os dentes crescem a partir das margens das mandíbulas. No entanto, Pleurodontagama é incomum, pois tem uma dentições sub-abundante, o que significa que alguns de seus dentes crescem a par (pt)
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| - Borsuk-Białynicka and Moody, 1984 (en)
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| - Pleurodontagama aenigmatodes (en)
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| - Borsuk-Białynicka and Moody, 1984 (en)
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| - Pleurodontagama is an extinct genus of iguanian lizard from the Late Cretaceous of Mongolia. The type species, Pleurodontagama aenigmatodes, was named in 1984 on the basis of a mostly complete skull and isolated lower jaw from a fossil locality called Khermeen Tsav. It has a wide skull with a flat snout, large eye sockets, and small bumps on the surfaces of the bones. Pleurodontagama was initially classified in the family Priscagamidae, which is usually grouped in a large clade of iguanians called Acrodonta, members of which are characterized by an "acrodont" dentition in which the teeth grow from the margins of the jaws. However, Pleurodontagama is unusual in that it has a sub-pleurodont dentition, meaning that some of its teeth grow from the inner surfaces of the jaw. There is also evidence to suggest that its teeth may have been continuously replaced throughout life, as opposed to the permanent teeth of acrodontans. Pleurodontagama may have been a transitional form between the derived acrodont type and the pleurodont type inferred for the ancestors of Acrodonta. (en)
- Pleurodontagama é um gênero extinto de lagarto iguaniano do Cretáceo Superior da Mongólia. A espécie típica, Pleurodontagama aenigmatodes, foi nomeada em 1984 com base em um crânio quase completo e mandíbula inferior isolada de uma localidade fóssil chamada Khermeen Tsav. Tem um crânio largo com um focinho plano, grandes soquetes oculares, e pequenos solavancos nas superfícies dos ossos. Pleurodontagama foi inicialmente classificado na família Priscagamidae, que é geralmente agrupada em um grande clado de iguanians chamado Acrodonta, membros dos quais são caracterizados por uma dentição "acrodonte" em que os dentes crescem a partir das margens das mandíbulas. No entanto, Pleurodontagama é incomum, pois tem uma dentições sub-abundante, o que significa que alguns de seus dentes crescem a partir das superfícies internas da mandíbula. Há também evidências que sugerem que seus dentes podem ter sido continuamente substituídos ao longo da vida, em oposição aos dentes permanentes dos acrodontanos. Pleurodontagama pode ter sido uma forma transitória entre o tipo acrodonte derivado e o tipo pleurodonte inferido para os ancestrais de Acrodonta. (pt)
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