''Xingxueanthus'' is an extinct genus of

plant Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae exclu ...

s of dubious affinity which existed in China during the middle

Jurassic The Jurassic ( ) is a geologic period and stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately Mya. The Jurassic constitutes the middle period of ...

period. It was first named by Xin Wang and Shijun Wang in 2010 and the

type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specime ...

is ''Xingxueanthus sinensis''. ''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 The gymnosperms ( lit. revealed seeds) are a group of seed-producing plants that includes conifers, cycads, '' Ginkgo'', and gnetophytes, forming the clade Gymnospermae. The term ''gymnosperm'' comes from the composite word in el, γυμν ...

, or a poorly preserved conipherophyte cone.

References

Prehistoric angiosperm genera Fossil taxa described in 2010 Jurassic plants {{jurassic-plant-stub