This article lists the largest organisms for various types of life and mostly considers extant species, which found on Earth can be determined according...

precambrian organisms. The largest known Permian sponge Gigantospongia had diameter up to 2.5 metres (8 ft 2 in). Dinosaur size Largest organisms Megafauna...

recorded for a hexactinellid sponge.[citation needed] Largest prehistoric animals Megafauna Largest organisms Wood, Gerald The Guinness Book of Animal Facts...

that consists of multiple cells. Organisms fall into two general categories: prokaryotic organisms and eukaryotic organisms. Most prokaryotes are unicellular...

includes long-lived organisms that are currently still alive as well as those that are dead. Determining the length of an organism's natural lifespan is...

giganteum) is the world's most massive tree, and arguably the largest living organism on Earth. It is neither the tallest extant species of tree (that...

The smallest organisms found on Earth can be determined according to various aspects of organism size, including volume, mass, height, length, or genome...

includes the tallest organism, and the largest single-stemmed plants by wood volume, wood mass, and main stem circumference. The largest by wood volume and...

Bay was reported by scientists to not only be the largest plant in the world, but the largest organism by square size. Posidonia australis is a flowering...

Prairie City, and Hines. The Malheur National Forest contains the largest known organism (by area) in the Northern Hemisphere: an Armillaria ostoyae (fungus)...