A new ctenochasmatid pterosaur from the Lower Cretaceous, western Liaoning, China



Document title: A new ctenochasmatid pterosaur from the Lower Cretaceous, western Liaoning, China
Journal: Anais da Academia Brasileira de Ciencias
Database: PERIÓDICA
System number: 000357960
ISSN: 0001-3765
Authors: 1
2
Institutions: 1Institute of Vertebrate Paleontology and Paleoanthropology, Key Laboratory of Evolutionary Systematics of Vertebrates, Beijing. China
2Chinese Academy of Sciences, Graduate University, Beijing. China
Year:
Season: Dic
Volumen: 83
Number: 4
Pages: 1243-1249
Country: Brasil
Language: Inglés
Document type: Artículo
Approach: Analítico, descriptivo
English abstract A nearly complete skull of a new ctenochasmatid pterosaur, Pterofiltus qiui gen. et sp. nov., from the Lower Cretaceous deposits of Liaoning, China, is described here. The specimen (IVPP V12339), was collected from the shale of the lower Yixian Formation (125 Ma) at the Zhangjiagou locality. It has the following combination of characters: about 112 teeth in total (including the upper and lower jaws); the dentition occupies more than 50% of the skull length; the anterior teeth vary in size; the mandibular symphysis is longer than half of the whole mandible length; in ventral view, an apparent symphyseal trough in the median part of the symphysis
Portuguese abstract Um crânio quase completo de um novo pterossauro ctenochasmatídeo, Pterofiltus qiui gen. et sp. nov., de depósitos do Cretáceo Inferior de Liaoning, China é descrito. O exemplar (IVPP V12339) foi coletado de um argilito da parte inferior da Formação Yixian (125 Ma) na localidade Zhangjiagou. A nova espécie possui a seguinte combinação de caracteres: aproximadamente 112 dentes (incluindo ambas as arcadas); dentição ocupando mais de 50% do comprimento do crânio; dentes anteriores de tamanho variado; sínfise mandibular ocupando mais da metade do comprimento da mandíbula; abertura ventral na parte média da sínfise mandibular
Disciplines: Biología
Keyword: Paleontología,
Taxonomía y sistemática,
Reptiles,
Fósiles,
Nuevas especies,
Pterofiltus qiui,
Ctenochasmatidae,
Cretácico Inferior,
China
Keyword: Biology,
Paleontology,
Taxonomy and systematics,
Reptiles,
Fossils,
New species,
Pterofiltus qiui,
Ctenochasmatidae,
Lower Cretaceous,
China
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