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{{Taxobox |
{{Taxobox |
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− | | name = |
+ | | name = Therians |
+ | | fossil_range = Mid [[Jurassic]]-Recent, {{fossilrange|165|0}} |
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− | | image = Bee PD foto explained1.jpg |
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+ | | image = Laitche-P013.jpg |
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− | | image_width = 200px |
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− | | image_caption = |
+ | | image_caption = A [[cat]] (''Felis catus'') with her [[kitten]]s |
| regnum = [[Animal]]ia |
| regnum = [[Animal]]ia |
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− | | phylum = [[ |
+ | | phylum = [[Chordate|Chordata]] |
− | | classis = [[ |
+ | | classis = [[Mammal]]ia |
+ | | subclassis = '''Theria''' |
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− | | ordo = [[Hymenoptera]] |
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+ | | subclassis_authority = [[Thomas Jeffery Parker|Parker]] & [[William A. Haswell|Haswell]], 1897 <ref>[http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=179916 ITIS Standard Report Page: Theria]</ref> |
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− | | subordo = [[Apocrita]] |
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⚫ | |||
− | | superfamilia = '''Apoidea''' |
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⚫ | |||
| subdivision = |
| subdivision = |
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− | [[ |
+ | * [[Eutheria]] |
− | *[[ |
+ | * [[Metatheria]] |
− | *[[Crabronidae]] |
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− | *[[Heterogynaidae]] |
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− | *[[Sphecidae]] |
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− | [[Bee|Anthophila]] |
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− | *[[Andrenidae]] |
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− | *[[Apidae]] |
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− | *[[Colletidae]] |
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− | *[[Dasypodaidae]] |
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− | *[[Halictidae]] |
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− | *[[Megachilidae]] |
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− | *[[Meganomiidae]] |
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− | *[[Melittidae]] |
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− | *[[Stenotritidae]] |
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− | *Incertae sedis |
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− | *[[extinct|†]][[Melittosphecidae]] |
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}} |
}} |
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+ | '''Theria''' ({{IPAc-en|icon|ˈ|θ|ɪər|i|ə}}; [[Greek language|Greek]]: ''θηρίον'', wild beast) is a [[Scientific classification|subclass]] of [[mammal]]s<ref>{{cite web | url=http://animaldiversity.ummz.umich.edu/site/accounts/classification/Theria.html | title=Subclass Theria | work=Animal Diversity Web | author=Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey}}</ref> that give birth to live young without using a shelled [[egg (biology)|egg]], including both [[eutheria]]ns (placental mammals) and [[metatheria]]ns ([[marsupial]]s and their ancestors). The only omitted extant mammal group is the egg-laying [[monotremes]]. |
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+ | [[File:Kangaroo and joey03.jpg|thumb|left|[[Kangaroo]], a [[marsupial]], with her [[Joey_(marsupial)|joey]]]] |
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+ | |||
+ | == Taxonomy == |
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+ | {{Main|Mammal classification}} |
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+ | |||
+ | The rank of 'Theria' may vary depending on the classification system used. The textbook classification system by Vaughan et al. (2000)<ref>Vaughan, Terry A., James M. Ryan, and Nicholas J. Czaplewski. 2000. ''Mammalogy: Fourth Edition''. Saunders College Publishing, 565 pp. ISBN 0-03-025034-X</ref> gives the following: |
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+ | |||
+ | {| |
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+ | |- |
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+ | | |
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+ | '''Class [[Mammal]]ia''' |
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+ | *'''Subclass Theria''': live-bearing mammals |
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+ | **Infraclass [[Metatheria]]: marsupials |
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+ | **Infraclass [[Eutheria]]: placentals |
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+ | |} |
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+ | |||
+ | In the above system Theria is a subclass. Alternatively, in the system proposed by |
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+ | McKenna and Bell (1997)<ref>McKenna, Malcolm C., and Bell, Susan K. 1997. ''Classification of Mammals Above the Species Level.'' Columbia University Press, New York, 631 pp. ISBN 0-231-11013-8</ref> it is ranked as a supercohort under the subclass Theriiformes: |
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+ | |||
+ | {| |
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+ | |- |
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+ | | |
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+ | '''Class [[Mammal]]ia''' |
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+ | *Subclass Theriiformes: live-bearing mammals and their prehistoric relatives |
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+ | **Infraclass [[Holotheria]]: modern live-bearing mammals and their prehistoric relatives |
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+ | ***Legion [[Cladotheria]] |
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+ | ****Sublegion [[Zatheria]] |
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+ | *****Infralegion [[Tribosphenida]] |
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+ | ******'''Supercohort Theria''': therian mammals |
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+ | *******Cohort [[Marsupialia]]: marsupials |
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+ | *******Cohort [[Placentalia]]: placentals |
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+ | |} |
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+ | Another classification proposed by Luo et al. (2002)<ref>Luo, Z.-X., Z. Kielan-Jaworowska, and R. L. Cifelli. 2002. In quest for a phylogeny of Mesozoic mammals. Acta Palaeontologica Polonica, 47:1-78.</ref> does not assign any rank to the taxonomic levels, but uses a purely [[Cladistics|cladistic]] system instead. |
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− | The [[superfamily (zoology)|superfamily]] '''Apoidea''' is a major group within the [[Hymenoptera]], which includes two traditionally-recognized lineages, the "[[sphecidae|sphecoid]]" [[wasp]]s, and the [[bee]]s, who appear to be their descendants. |
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− | == |
+ | == References == |
+ | <references/> |
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− | Bees appear in recent classifications to be a specialized lineage of [[Crabronidae|crabronid]] wasps that switched to the use of [[pollen]] and [[nectar]] as [[larva]]l food, rather than [[insect]] prey; this presumably makes Crabronidae a [[paraphyletic]] group. Accordingly, bees and sphecoids are now all grouped together in a single superfamily, and the older available name is "Apoidea" rather than "[[Sphecoidea]]" (which, like [[Spheciformes]], has been used in the past, but also defined a [[paraphyletic]] group and has been abandoned). |
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+ | == See also == |
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− | As the bees themselves (not including their wasp ancestors) are still considered a [[monophyletic]] group, it is still convenient to use a grouping between superfamily and family to unify all bees. A few recent classifications have addressed this problem by lumping all bee families together into a single large family [[Apidae]]{{Fact|date=February 2007}}, though this has not met with widespread acceptance. The alternative classification in more common use is to unite all bees under the name [[Bee|Anthophila]] (Engel, 2005), which is equivalent to the obsolete name [[Apiformes]] (which meant ''bee-like forms'' in [[Latin]]). |
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+ | *[[Marsupialia|marsupials]] |
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+ | *[[monotremes]] |
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+ | *[[Placentalia|placental mammals]] |
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− | ==References== |
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− | *[[Michael S. Engel|Engel, M.S.]] (2005). Family-group names for bees (Hymenoptera: Apoidea). ''American Museum Novitates'' 3476: 1-33. |
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− | *{{cite book|author=[[David Grimaldi|Grimaldi, D.]] and [[Michael S. Engel|Engel, M.S.]] |title=Evolution of the Insects|year=2005|publisher=[[Cambridge University Press]]|isbn=0-521-82149-5}} |
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− | *[[Charles D. Michener|Michener, C.D.]] (2000). ''The Bees of the World''. Johns Hopkins University Press. |
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+ | {{Mammals}} |
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− | ==External links== |
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− | {{commonscat-inline}} |
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− | * [http://www.discoverlife.org/20/q?search=Apoidea All Living Things] Images, identification guides, and maps of Apoidea. |
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− | * [http://www.earthlife.net/insects/solbees.html Solitary Bees] Popular introduction to the Hymenoptera Apoidea. |
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− | * [http://www.bombus.it/pdf/fiori_e_api/fiori_e_api.pdf Fiori e Api d'Albore and Intoppa] Flower visiting bees in Europe pdf. In Italian but excellent table with Latin names. |
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− | * [http://bugguide.net/node/view/475348 Native Bees of North America] |
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− | [[Category: |
+ | [[Category:Mammals]] |
+ | {{mammal-stub}} |
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+ | [[be-x-old:Зьвяры]] |
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− | <!-- |
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+ | [[bg:Живородни бозайници]] |
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− | [[gn:Eiru]] |
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− | [[ |
+ | [[ca:Teri]] |
− | [[ |
+ | [[de:Theria]] |
− | [[ |
+ | [[es:Theria]] |
− | [[ |
+ | [[eo:Vivonaskuloj]] |
− | [[ |
+ | [[eu:Terio]] |
− | [[ |
+ | [[fr:Thériens]] |
− | [[ |
+ | [[gl:Theria]] |
− | [[ |
+ | [[ko:수아강]] |
− | [[ |
+ | [[hr:Theria]] |
− | [[ |
+ | [[it:Theria]] |
− | [[la: |
+ | [[la:Theria]] |
+ | [[lv:Dzemdētājzīdītāji]] |
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− | [[lt:Bitiniai]] |
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− | [[ |
+ | [[lij:Theria]] |
+ | [[hu:Elevenszülő emlősök]] |
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− | [[mrj:Мӱкш]] |
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+ | [[mk:Живородни цицачи]] |
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− | [[nl:Apoidea]] |
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− | [[ |
+ | [[nl:Theriiformes]] |
− | [[ |
+ | [[ja:獣亜綱]] |
− | [[oc: |
+ | [[oc:Theria]] |
− | [[pl: |
+ | [[pl:Ssaki żyworodne]] |
− | [[pt: |
+ | [[pt:Theria]] |
− | [[ |
+ | [[ru:Звери]] |
− | [[ |
+ | [[simple:Theria]] |
+ | [[fi:Theria]] |
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− | [[sl:Čebeljeliki kožokrilci]] |
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− | [[ |
+ | [[sv:Theria]] |
+ | [[th:เธอเรีย]] |
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+ | [[tr:Theria]] |
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− | --> |
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+ | [[uk:Звірі]] |
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− | {{enWP|Apoidea}} |
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⚫ |
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?Therians
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A cat (Felis catus) with her kittens A cat (Felis catus) with her kittens
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Scientific classification | ||||||||
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Theria (File:Loudspeaker.svg /ˈθɪəriə/; Greek: θηρίον, wild beast) is a subclass of mammals[2] that give birth to live young without using a shelled egg, including both eutherians (placental mammals) and metatherians (marsupials and their ancestors). The only omitted extant mammal group is the egg-laying monotremes.
Taxonomy
- Main article: Mammal classification
The rank of 'Theria' may vary depending on the classification system used. The textbook classification system by Vaughan et al. (2000)[3] gives the following:
Class Mammalia
|
In the above system Theria is a subclass. Alternatively, in the system proposed by McKenna and Bell (1997)[4] it is ranked as a supercohort under the subclass Theriiformes:
Class Mammalia
|
Another classification proposed by Luo et al. (2002)[5] does not assign any rank to the taxonomic levels, but uses a purely cladistic system instead.
References
- ↑ ITIS Standard Report Page: Theria
- ↑ Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. Subclass Theria. Animal Diversity Web.
- ↑ Vaughan, Terry A., James M. Ryan, and Nicholas J. Czaplewski. 2000. Mammalogy: Fourth Edition. Saunders College Publishing, 565 pp. ISBN 0-03-025034-X
- ↑ McKenna, Malcolm C., and Bell, Susan K. 1997. Classification of Mammals Above the Species Level. Columbia University Press, New York, 631 pp. ISBN 0-231-11013-8
- ↑ Luo, Z.-X., Z. Kielan-Jaworowska, and R. L. Cifelli. 2002. In quest for a phylogeny of Mesozoic mammals. Acta Palaeontologica Polonica, 47:1-78.
See also
- marsupials
- monotremes
- placental mammals
Extant mammal orders by infraclass | |
---|---|
Australosphenida | |
Metatheria |
Didelphimorphia · Paucituberculata · Microbiotheria · Notoryctemorphia · Dasyuromorphia · Peramelemorphia · Diprotodontia |
Eutheria |
Afrosoricida · Macroscelidea · Tubulidentata · Hyracoidea · Proboscidea · Sirenia · Cingulata · Pilosa · Scandentia · Dermoptera · Primates · Rodentia · Lagomorpha · Erinaceomorpha · Soricomorpha · Chiroptera · Pholidota · Carnivora · Perissodactyla · Artiodactyla · Cetacea |
Template:Mammal-stub
be-x-old:Зьвяры bg:Живородни бозайници ca:Teri de:Theria es:Theria eo:Vivonaskuloj eu:Terio fr:Thériens gl:Theria ko:수아강 hr:Theria la:Theria lv:Dzemdētājzīdītāji lij:Theria hu:Elevenszülő emlősök mk:Живородни цицачи nl:Theriiformes oc:Theria pt:Theria ru:Звери simple:Theria fi:Theria sv:Theria th:เธอเรีย uk:Звірі zh:獸亞綱