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...olive]] family. It was not until the fossils were matched with fruits from living ''Eidothea'' trees that their true identity was revealed. Two living species are known:

...e]] subdivision of the Kingdom [[plant|Plantae]]. It is the oldest extant (living) vascular plant division at around 420 million years old, and includes some There are around 1,200 living species divided into three main groups within the Lycopodiophyta, sometimes

...ord2002">James Woodford, ''The Wollemi Pine: The incredible discovery of a living fossil from the age of the dinosaurs'', (Revised Edition), The Text Publish ...Wollemia nobilis'' is the sole living member of its genus. The last known fossils of the genus date from approximately 2 million years ago.<ref>{{cite web

...acheary elements themselves, which are dead at maturity and no longer have living contents. Two phenomena cause xylem sap to flow: ...eloped pitted tracheid cells, apparently through convergent evolution. In living plants, pitted tracheids do not appear in development until the maturation

...e exposed to high levels of direct solar radiation. As with most groups of living plants, they are most common (both in numbers and species) in moist tropica ...of ''Pallaviciniites'' from the Upper [[Devonian]] of [[New York]]. These fossils resemble modern species in the [[Metzgeriales]]. Another Devonian fossil c

...onifers is known as [[softwood]]. The division contains approximately 700 living species. ...Pinopsida, which includes both living and fossil taxa. Subdivision of the living conifers into two or more orders has been proposed from time to time. The m

...[[Japan]], southern [[Korea]], [[Taiwan]] and the [[Ryukyu Islands]] with fossils know from [[North America]] and [[Europe]].<ref name="Pigg2001">{{cite jour

[[Category:Living fossils]]

...[nitrogen fixation|fix nitrogen]] in association with a [[cyanobacterium]] living in the roots. This [[blue-green algae]] produces a [[neurotoxin]] called [[ ...dates to the Early Permian, 280 mya. There is controversy over older cycad fossils that date to the late [[Carboniferous]] period, 300 -325 mya. One of the fi

=== Difficulties in defining "species" for living organisms === ...s are known only from [[fossils]], which generally only preserve features. Fossils have not (so far) shown us what bred with what, and cannot tell us whether

...ne]] triphosphate), which acts as an energy currency for metabolism in all living things. As a waste product, respiration produces [[carbon dioxide]]. The movie Jumanji also shows a carnivorous plant living in the kids living room but is never explored as a theme.

Algae, low forms of green plants, most of them living in water or very damp places. Few are known to produce disease in plants. T ...racterized by a rather long period of association of the parasite with the living tissues of its host before marked injury or death of the plant results.