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Teleostei
Fossil range: Early Triassic–Recent
[1]
Top to bottom:
Retroculus lapidifer (Perciformes: Cichlidae)
Hairy Blenny, Labrisomus nuchipinnis
(Perciformes: Labrisomidae)
Ogcocephalus notatus
(Lophiiformes: Ogcocephalidae)
Blue Tang, Acanthurus coeruleus
(Perciformes: Acanthuridae)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Actinopterygii
Subclass: Neopterygii
Infraclass: Teleostei
Superorders

Osteoglossomorpha
Elopomorpha
Clupeomorpha
Ostariophysi
Protacanthopterygii
Stenopterygii
Cyclosquamata
Scopelomorpha
Lampridiomorpha
Polymyxiomorpha
Paracanthopterygii
Acanthopterygii

Teleostei is one of three infraclasses in class Actinopterygii, the ray-finned fishes. This diverse group, which arose in the Triassic period[1], includes 20,000 extant species in about 40 orders; most living fishes are members of this group.[2] The other two infraclasses, Holostei and Chondrostei, may be paraphyletic.[3]

Characteristics

Teleosts have a movable maxilla and premaxilla and corresponding modifications in the jaw musculature. These modifications make it possible for teleosts to protrude their jaws outwards from the mouth.[3][4] The caudal fin is homocercal, meaning the upper and lower lobes are about equal in size. The spine ends at the caudal peduncle, distinguishing this group from those in which the spine extends into the upper lobe of the caudal fin.[3]

Systematics and evolution

The oldest teleost fossils date back to early Triassic. Teleosts are here divided into twelve superorders, but this system is unlikely to be entirely correct and is in the process of being studied.

Silver Arowana (Osteoglossum bicirrhosum) of the ancient Osteoglossiformes

References

  1. ^ a b Palmer, Douglas (1999). The Marshall Illustrated Encyclopedia of Dinosaurs & Prehistoric animals. London: Marshall Editions Developments Ltd. ISBN 3-8290-6747-X. 
  2. ^ Miller, Stephen, and John P. Harley. Zoology, Seventh Edition, pg 297. McGraw-Hill Higher Education. New York, 2007.
  3. ^ a b c Benton, Michael J. (1990). Vertebrate Paleontology. London: Chapman & Hall. ISBN 0-412-54010-X. 
  4. ^ Ben Waggoner (1995-07-17). "Telostei". Museum of Paleontology, University of California, Berkeley. http://www.ucmp.berkeley.edu/vertebrates/actinopterygii/teleostei.html. Retrieved 2006-06-08. 
  5. ^ In ITIS, Gobiesociformes is placed as the suborder Gobiesocoidei of the order Perciformes.
  6. ^ In ITIS, Syngnathiformes is placed as the suborder Syngnathoidei of the order Gasterosteiformes.
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Wiktionary

Up to date as of January 15, 2010

Definition from Wiktionary, a free dictionary

Contents

English

Etymology

Latin ?

Proper noun

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Wikipedia

Teleostei

  1. a taxonomic subclass, within class Actinopterygii - the ray-finned fish

Related terms

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Wikispecies


Wikispecies

Up to date as of January 23, 2010

From Wikispecies

Microstomus kitt

Taxonavigation

Main Page
Cladus: Eukaryota
Supergroup: Unikonta
Cladus: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Osteichthyes
Classis: Actinopterygii
Subclassis: Neopterygii
Infraclassis: Teleostei
Superordines: Acanthopterygii - Clupeomorpha - Cyclosquamata - Elopomorpha - Lampridiomorpha - Ostariophysi - Osteoglossomorpha - Paracanthopterygii - Polymixiomorpha - Protacanthopterygii - Scopelomorpha - Stenopterygii

References

  • Rust, S.; McDowall, R. (compilers) 2009: Checklist of New Zealand Chordata: New Zealand Mesozoic and Cenozoic teleost fishes (represented by fossil skeletons). P. 539 in Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume 1. Kingdom Animalia. Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch, New Zealand. ISBN 978-1-877257-72-8
  • Schwarzhans, W. (compiler) 2009: Checklist of New Zealand Chordata: New Zealand Cenozoic teleost fishes (represented by fossil otoliths). Pp. 540-541 in Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume 1. Kingdom Animalia. Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch, New Zealand. ISBN 978-1-877257-72-8

Vernacular names

Česky: Kostnatí
Српски / Srpski: праве кошљорибе
Deutsch: Echte Knochenfische
Ελληνικά: Τελεόστεοι
Français: Téléostéens
Magyar: Valódi csontoshalak
Nederlands: Beenvissen
日本語: 真骨類
‪Norsk (bokmål)‬: Egentlige beinfisker
Polski: doskonałokostne
Português: Teleósteos
Русский: Костистые рыбы
中文: 真骨附类
Wikimedia Commons For more multimedia, look at Teleostei on Wikimedia Commons.

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