Discovery of a rare pterosaur bone bed in a cretaceous desert with insights on ontogeny and behavior of flying reptiles.
A pterosaur bone bed with at least 47 individuals (wing spans: 0.65-2.35 m) of a new species is reported from southern Brazil from an interdunal lake deposit of a Cretaceous desert, shedding new light on several biological aspects of those flying reptiles. The material represents a new pterosaur, Ca...
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2014
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oai:doaj.org-article:9b71d6ecd07d4746bbce126799ce8af02021-11-25T06:05:02ZDiscovery of a rare pterosaur bone bed in a cretaceous desert with insights on ontogeny and behavior of flying reptiles.1932-620310.1371/journal.pone.0100005https://doaj.org/article/9b71d6ecd07d4746bbce126799ce8af02014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/25118592/?tool=EBIhttps://doaj.org/toc/1932-6203A pterosaur bone bed with at least 47 individuals (wing spans: 0.65-2.35 m) of a new species is reported from southern Brazil from an interdunal lake deposit of a Cretaceous desert, shedding new light on several biological aspects of those flying reptiles. The material represents a new pterosaur, Caiuajara dobruskii gen. et sp. nov., that is the southermost occurrence of the edentulous clade Tapejaridae (Tapejarinae, Pterodactyloidea) recovered so far. Caiuajara dobruskii differs from all other members of this clade in several cranial features, including the presence of a ventral sagittal bony expansion projected inside the nasoantorbital fenestra, which is formed by the premaxillae; and features of the lower jaw, like a marked rounded depression in the occlusal concavity of the dentary. Ontogenetic variation of Caiuajara dobruskii is mainly reflected in the size and inclination of the premaxillary crest, changing from small and inclined (∼ 115°) in juveniles to large and steep (∼ 90°) in adults. No particular ontogenetic features are observed in postcranial elements. The available information suggests that this species was gregarious, living in colonies, and most likely precocial, being able to fly at a very young age, which might have been a general trend for at least derived pterosaurs.Paulo C ManzigAlexander W A KellnerLuiz C WeinschützCarlos E FragosoCristina S VegaGilson B GuimarãesLuiz C GodoyAntonio LiccardoJoão H Z RicettiCamila C de MouraPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 8, p e100005 (2014) |
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Medicine R Science Q Paulo C Manzig Alexander W A Kellner Luiz C Weinschütz Carlos E Fragoso Cristina S Vega Gilson B Guimarães Luiz C Godoy Antonio Liccardo João H Z Ricetti Camila C de Moura Discovery of a rare pterosaur bone bed in a cretaceous desert with insights on ontogeny and behavior of flying reptiles. |
| description |
A pterosaur bone bed with at least 47 individuals (wing spans: 0.65-2.35 m) of a new species is reported from southern Brazil from an interdunal lake deposit of a Cretaceous desert, shedding new light on several biological aspects of those flying reptiles. The material represents a new pterosaur, Caiuajara dobruskii gen. et sp. nov., that is the southermost occurrence of the edentulous clade Tapejaridae (Tapejarinae, Pterodactyloidea) recovered so far. Caiuajara dobruskii differs from all other members of this clade in several cranial features, including the presence of a ventral sagittal bony expansion projected inside the nasoantorbital fenestra, which is formed by the premaxillae; and features of the lower jaw, like a marked rounded depression in the occlusal concavity of the dentary. Ontogenetic variation of Caiuajara dobruskii is mainly reflected in the size and inclination of the premaxillary crest, changing from small and inclined (∼ 115°) in juveniles to large and steep (∼ 90°) in adults. No particular ontogenetic features are observed in postcranial elements. The available information suggests that this species was gregarious, living in colonies, and most likely precocial, being able to fly at a very young age, which might have been a general trend for at least derived pterosaurs. |
| format |
article |
| author |
Paulo C Manzig Alexander W A Kellner Luiz C Weinschütz Carlos E Fragoso Cristina S Vega Gilson B Guimarães Luiz C Godoy Antonio Liccardo João H Z Ricetti Camila C de Moura |
| author_facet |
Paulo C Manzig Alexander W A Kellner Luiz C Weinschütz Carlos E Fragoso Cristina S Vega Gilson B Guimarães Luiz C Godoy Antonio Liccardo João H Z Ricetti Camila C de Moura |
| author_sort |
Paulo C Manzig |
| title |
Discovery of a rare pterosaur bone bed in a cretaceous desert with insights on ontogeny and behavior of flying reptiles. |
| title_short |
Discovery of a rare pterosaur bone bed in a cretaceous desert with insights on ontogeny and behavior of flying reptiles. |
| title_full |
Discovery of a rare pterosaur bone bed in a cretaceous desert with insights on ontogeny and behavior of flying reptiles. |
| title_fullStr |
Discovery of a rare pterosaur bone bed in a cretaceous desert with insights on ontogeny and behavior of flying reptiles. |
| title_full_unstemmed |
Discovery of a rare pterosaur bone bed in a cretaceous desert with insights on ontogeny and behavior of flying reptiles. |
| title_sort |
discovery of a rare pterosaur bone bed in a cretaceous desert with insights on ontogeny and behavior of flying reptiles. |
| publisher |
Public Library of Science (PLoS) |
| publishDate |
2014 |
| url |
https://doaj.org/article/9b71d6ecd07d4746bbce126799ce8af0 |
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