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Neopterygii

 
Sci-Tech Dictionary: Neopterygii
(nē′äp·tə′rij·ē′ī)

(vertebrate zoology) An equivalent name for Actinopterygii.


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Wikipedia: Neopterygii
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Neopterygii
Fossil range: Late Permian–Recent

Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Subclass: Neopterygii
Infraclasses

Holostei
Teleostei
See text for orders.

Neopterygii is a group of Actinopteri animals. Neopterygii means "new wings". There are only few changes during their evolution from the earlier actinopterygians. They appeared somewhere in the Late Permian, before the time of the dinosaurs. The Neopterygii is a very successful group of fishes, because they can move more rapidly than their ancestors. Their scales and skeletons began to lighten during their evolution, and their jaws became more powerful and efficient.

Classification

References

  1. ^ In ITIS, Gobiesociformes is placed as the suborder Gobiesocoidei of the order Perciformes.
  2. ^ In ITIS, Syngnathiformes is placed as the suborder Syngnathoidei of the order Gasterosteiformes.

 
 
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Elopocephala
Actinopteri
Comber (fish)

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Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved.  Read more
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