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Top 10 Different Types Of Alien Species On Earth!
Top 10 Different Types Of Alien Species On Earth!
Published: 2016/07/11
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951. Species - Types of Species
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10 Mysterious Extinct Human Species
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Top 10 Tiger Species of the World 2015 || Pastimers
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The 9 SPECIES of LOVEBIRDS ordered by EXTINCTION
Published: 2014/03/21
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Alien Species Types Of Real Aliens On Earth (Special Documentary)
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Alien Species from A-Z: "The Second Edition"
Published: 2014/07/19
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How to Identify the 3 Different Bass Species
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Asian Female Species
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10 Creepiest Shark Species
Published: 2014/07/28
Channel: geobeats
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14 species of foxes most beautiful world
Published: 2014/12/10
Channel: NaturalChannel
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All Bears Species - Species List
Published: 2016/08/01
Channel: Gilles Delhaye
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Bonsai tree species
Published: 2014/01/20
Channel: Bonsai Empire
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Different wood species - Over 90 woodspecies!!
Published: 2012/10/24
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All Feline Species - Species List
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Channel: Gilles Delhaye
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Piranha Species and Types - Aquarium Fish Guide
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Channel: Iegsuw ueydq
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20 TYPES OF FINCH SPECIES
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Channel: HAPPY FREAK
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9 Species of Amateur Photographer
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Channel: arowana
5 Alien Species Already Walking Amongst Us
5 Alien Species Already Walking Amongst Us
Published: 2016/11/22
Channel: Facts Verse
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WHAT HAMSTER SPECIES IS IT?
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Channel: TED-Ed
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Channel: Animal Globe
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Published: 2016/07/03
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Channel: Animal Breeds
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Published: 2014/03/05
Channel: Big Cat Rescue
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The Alien Races Book - Over 82 Species On Earth! [Full Documentary]
Published: 2016/07/25
Channel: What They Don't Want You To Know
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How Many Species of Lions Are There
Published: 2016/06/16
Channel: World Viewers Stop
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The Different Species of Cannabis
Published: 2014/09/18
Channel: Lex Blazer
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Published: 2016/11/06
Channel: Dustin's Fish Tanks
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16 Amazing Fox Species
16 Amazing Fox Species
Published: 2017/01/17
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Top 25 Amazing And Colorful Frog Species
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Channel: Gilles Delhaye
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Published: 2014/07/02
Channel: Animal Breeds
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12 Species of Aliens
Published: 2016/07/08
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All Eagle Species and Eagle Pictures
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Channel: Animal Breeds
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Published: 2016/10/06
Channel: Fun Toddler
Type species Meaning
Type species Meaning
Published: 2015/05/01
Channel: ADictionary
9 Amazing New Arachnid Species
9 Amazing New Arachnid Species
Published: 2016/08/14
Channel: SciShow
The molecular phylogeny of the type-species of Oodinium Chatton, 1912 (Dinoflagellata: Oodiniaceae)
The molecular phylogeny of the type-species of Oodinium Chatton, 1912 (Dinoflagellata: Oodiniaceae)
Published: 2014/09/18
Channel: Fernando Gómez
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The 5 WORST Types of Photographers
Published: 2015/09/23
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Mosquitoes Like To Bite These Types Of People
Published: 2014/06/11
Channel: Business Insider
Two species model - Lotka-Volterra type
Two species model - Lotka-Volterra type
Published: 2016/12/30
Channel: matsciencechannel
All Penguin Species - Species List
All Penguin Species - Species List
Published: 2016/09/21
Channel: Gilles Delhaye
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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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 specimen(s).[1] A similar concept is used for suprageneric groups called a type genus.

In botanical nomenclature, these terms have no formal standing under the code of nomenclature, but are sometimes borrowed from zoological nomenclature. In botany, the type of a genus name is a specimen (or, rarely, an illustration) which is also the type of a species name. The species name that has that type can also be referred to as the type of the genus name. Names of genus and family ranks, the various subdivisions of those ranks, and some higher-rank names based on genus names, have such types.[2]

In bacteriology, a type species is assigned for each genus.[3]

Every named genus or subgenus in zoology, whether or not currently recognized as valid, is theoretically associated with a type species. In practice, however, there is a backlog of untypified names defined in older publications when it was not required to specify a type.

Use in zoology[edit]

A type species is both a concept and a practical system that is used in the classification and nomenclature (naming) of animals. The "type species" represents the reference species and thus "definition" for a particular genus name. Whenever a taxon containing multiple species must be divided into more than one genus, the type species automatically assigns the name of the original taxon to one of the resulting new taxa, the one that includes the type species.

The term "type species" is regulated in zoological nomenclature by article 42.3 of the International Code of Zoological Nomenclature, which defines a type species as the name-bearing type of the name of a genus or subgenus (a "genus-group name") is the "type species". In the Glossary, type species is defined as

"The nominal species that is the name-bearing type of a nominal genus or subgenus".[4]

The type species permanently attaches a formal name (the generic name) to a genus by providing just one species within that genus to which the genus name is permanently linked (i.e. the genus must include that species if it is to bear the name). The species name in turn is fixed, in theory, to a type specimen.

For example, the type species for the land snail genus Monacha is Monacha cartusiana. That genus is currently placed within the family Hygromiidae. The type genus for that family is the genus Hygromia.

The concept of the type species in zoology was introduced by Pierre André Latreille.[5]

Citing[edit]

The International Code of Zoological Nomenclature states that the original name (binomen) of the type species should always be cited. It gives an example in Article 67.1. Astacus marinus Fabricius, 1775 was later designated as the type species of the genus Homarus, thus giving it the name Homarus marinus (Fabricius, 1775). However, the type species of Homarus should always be cited using its original name, i.e. Astacus marinus Fabricius, 1775.[1]

Although the International Code of Nomenclature for algae, fungi, and plants does not contain the same explicit statement, examples make it clear that that the original name is used, so that the "type species" of a genus name need not have a name within that genus. Thus in Article 10, Ex. 3, the type of the genus name Elodes is quoted as the type of the species name Hypericum aegypticum, not as the type of the species name Elodes aegyptica.[2] (Elodes is not now considered distinct from Hypericum.)

See also[edit]

References[edit]

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