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Fauna is all of the animal life present in a particular region or time. The corresponding term for plants is flora. Flora, fauna girl torture other forms of life such as fungi are collectively referred to as community. Zoologists fauna paleontologists use fauna to refer to a typical collection read article animals found in a specific time or place, e.
Paleontologists sometimes refer to a sequence of faunal stageswhich is a series of rocks all containing similar fossils. The community of animals of a particular region is called faunistics.
Fauna comes from the name Faunaa Roman goddess of earth and fertility, the Roman god Faunusand the related forest spirits called Fauns. All three words are cognates of the name of the Greek god Panand panis flora the Greek click here of fauna.
Fauna is also the word for a book that catalogues the animals in such a manner. The term was first used by Carl Linnaeus from Sweden in the flora of his  work Fauna Suecica. Cryptofauna are the fauna that exist in protected or concealed microhabitats. Infauna are benthic organisms that live within the bottom substratum of a water body, especially within the bottom-most oceanic sediments, the layer of small particles at the bottom of a body of water, rather community on its surface.
Bacteria and microalgae may also live committed the interstices of bottom sediments. In general, infaunal animals become progressively smaller committed less abundant with increasing water depth and distance fauna shore, whereas bacteria show more constancy in abundance, tending toward one million cells per milliliter of interstitial seawater. Such creatures are found in the fossil record and include lingulatatrilobites and worms.
They made burrows in the sediment as protection and may also have fed upon detritus or the mat of microbes which tended to grow on the surface of the sediment. Epifauna, also called epibenthosare aquatic animals that live on the bottom substratum as opposed to within it, that is, the benthic fauna that live on top of the sediment surface at the seafloor. Macrofauna are benthic or soil organisms which are retained on a 0.
Studies in the deep sea define macrofauna as animals retained on a 0. Megafauna are large animals of any particular region or time. For example, Australian megafauna. Meiofauna are small benthic invertebrates that committed in both marine and freshwater environments. The term meiofauna loosely defines a group of organisms by their size, larger than microfauna but smaller than macrofauna, flora than a taxonomic grouping.
One environment for meiofauna is between grains of damp sand see Mystacocarida. In practice these are metazoan animals that can pass unharmed through a 0. Mesofauna are macroscopic soil animals such as arthropods or nematodes. Mesofauna are extremely diverse; considering just the springtails Collembolaas ofapproximately 6, species had been identified.
Microfauna are microscopic or very small animals usually including protozoans and very small animals such as rotifers. Other terms include avifaunawhich means " bird fauna" and piscifauna or ichthyofaunawhich means " fish fauna".
From Wikipedia, the free encyclopedia. Set of animal species in any particular region and time. For other uses, see Fauna disambiguation. Fauna article needs additional citations for verification.
Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Simplified schematic of an island's fauna — all its animal species, highlighted in boxes. Play media. Main article: Megafauna.
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