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- W2754906354 abstract "Abstract A new juvenile specimen of Pteranodon from the Smoky Hill Chalk Member of the Niobrara Formation of western Kansas had an estimated wingspan in life of 1.76 m, ~45% smaller than the smallest previously known specimens, but does not differ in morphology from larger specimens. Its presence indicates that juveniles were capable of flying long distances, so it falsifies the interpretation of Pteranodon as growing rapidly to adult size under parental care before flying. Instead juveniles were precocial, growing more slowly to adult size while flying and feeding independently for several years before going to sea. Because juveniles are otherwise unknown in the Smoky Hill Chalk Member, they must have occupied different environments and ecological niches than adults; thus Pteranodon exhibited ontogenetic niches. Evidence is presented that most other pterosaurs (e.g., Rhamphorhynchus , Pterodactylus , Anhanguera ) also exhibited various ontogenetic niches, which, along with their large body size, suggests that pterosaur taxonomic diversity was rather low, like that of crocodilians." @default.
- W2754906354 created "2017-09-25" @default.
- W2754906354 creator A5088956237 @default.
- W2754906354 date "2017-09-19" @default.
- W2754906354 modified "2023-09-24" @default.
- W2754906354 title "New smallest specimen of the pterosaur<i>Pteranodon</i>and ontogenetic niches in pterosaurs" @default.
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- W2754906354 doi "https://doi.org/10.1017/jpa.2017.84" @default.
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