Xingxueanthus

Xingxueanthus; Temporal range: Middle Jurassic PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Plantae
(unranked):	?Angiosperms
Genus:	Xingxueanthus; Xin Wang & Shijun Wang, 2010
Species
	X. sinensis Xin Wang & Shijun Wang, 2010 (type);

Xingxueanthus is an extinct genus of plants of dubious affinity which existed in China during the middle Jurassic period.^[1] It was first named by Xin Wang and Shijun Wang in 2010 and the type species is Xingxueanthus sinensis.^[1]

Xingxueanthus is known only from a single specimen of carbonized inflorescence. There is debate as to the taxonomic position of Xingxueanthus, being either an early Angiosperm, a new class of Gymnosperm, or a poorly preserved conipherophyte cone.^[2]

References

^ ^a ^b Xin Wang; Shijun Wang (2010). "Xingxueanthus: An Enigmatic Jurassic Seed Plant and Its Implications for the Origin of Angiospermy". Acta Geologica Sinica - English Edition. 84 (1): 47–55. Bibcode:2010AcGlS..84...47W. doi:10.1111/j.1755-6724.2010.00169.x. S2CID 140739086.
^ Coiro, Mario; Doyle, James A.; Hilton, Jason (2019). "How deep is the conflict between molecular and fossil evidence on the age of angiosperms?". New Phytologist. 223 (1): 83–99. doi:10.1111/nph.15708. ISSN 1469-8137. PMID 30681148.

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[Xin_WANG2010-1] Xin Wang; Shijun Wang (2010). "Xingxueanthus: An Enigmatic Jurassic Seed Plant and Its Implications for the Origin of Angiospermy". Acta Geologica Sinica - English Edition. 84 (1): 47–55. Bibcode:2010AcGlS..84...47W. doi:10.1111/j.1755-6724.2010.00169.x. S2CID 140739086.

[2] Coiro, Mario; Doyle, James A.; Hilton, Jason (2019). "How deep is the conflict between molecular and fossil evidence on the age of angiosperms?". New Phytologist. 223 (1): 83–99. doi:10.1111/nph.15708. ISSN 1469-8137. PMID 30681148.

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