Archaefructus liaoningensis Archaefructus sinensis The Early Cretaceous (timestratigraphic name) or the Lower Cretaceous (logstratigraphic name), is the earlier of the two major divisions of the Cretaceous period. ... The conservation status of a species is an indicator of the likelihood of that species continuing to survive either in the present day or the future. ... Three small ammonite fossils, each approximately 1. ... Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. ... Divisions Green algae Chlorophyta Charophyta Land plants (embryophytes) Non-vascular plants (bryophytes) Marchantiophyta - liverworts Anthocerotophyta - hornworts Bryophyta - mosses Vascular plants (tracheophytes) †Rhyniophyta - rhyniophytes †Zosterophyllophyta - zosterophylls Lycopodiophyta - clubmosses †Trimerophytophyta - trimerophytes Pteridophyta - ferns and horsetails Seed plants (spermatophytes) †Pteridospermatophyta - seed ferns Pinophyta - conifers Cycadophyta - cycads Ginkgophyta - ginkgo Gnetophyta - gnetae Magnoliophyta - flowering plants... It has been suggested that Angiospermae, and Anthophyta be merged into this article or section. ... Orders See text. ... In biology, a species is one of the basic units of biodiversity. ...
Archaefructus is an extinct genus of herbaceous aquatic flowering plants. Fossil material assigned to this genus originates from the Early CretaceousYixian Formation in northeastern China. Archaefructus is one of the three earliest known genera of flowering plants. The Dodo, shown here in illustration, is an often-cited[1] example of modern extinction. ... This article is about the plants used in cooking and medicine. ... It has been suggested that Angiospermae, and Anthophyta be merged into this article or section. ... The Early Cretaceous (timestratigraphic name) or the Lower Cretaceous (logstratigraphic name), is the earlier of the two major divisions of the Cretaceous period. ... The Yixian Formation is a geological formation in Liaoning, Peoples Republic of China, that stems from the early Cretaceous period. ... For other uses of the word, please see Genus (disambiguation). ...
Archaefructaceae has been proposed as a new basal angiosperm family.[1] It has been suggested that Angiospermae, and Anthophyta be merged into this article or section. ...
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