Mesofossils with platanaceous affinity from the Dakota Formation (Cretaceous) in Kansas, USA |
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Authors: | Xin Wang |
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Affiliation: | aNanjing Institute of Geology and Palaeontology, 39 Beijing Dong Road, Nanjing 210008, China;bFlorida Museum of Natural History, University of Florida, Gainesville, FL 32611-7800, USA |
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Abstract: | The Platanaceae holds a basal position in the phylogeny of eudicots and therefore is of great interest to angiosperm systematists. The fossil record of the family is found in strata ranging from the Cretaceous to Recent in America, Europe and Asia. The research on the Platanaceae in the Dakota Formation can be traced back to 19th century; however, mesofossils of reproductive organs of the Platanaceae were never reported in the Midwest of North America before. This paper reports several specimens of Friisicarpus (Platanaceae) from the Dakota Formation in Kansas, USA. It complements the existing fossil records, and provides more information on reproductive biology of the family. The comparison with similar fossils from eastern North America and Europe provides some hints on biostratigraphy of the Cretaceous. |
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Keywords: | Platanaceae Reproductive biology Cretaceous Mesofossil Flower |
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