Biology:Actinopteri
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Short description: Group of fishes
Actinopteri | |
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Atlantic sturgeon (Chondrostei) | |
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Atlantic salmon (Neopterygii) | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
(unranked): | Actinopteri Cope, 1871 |
Subclasses | |
Actinopteri /æktɪˈnɒptəraɪ/ is the sister group of Cladistia (bichirs) in the class Actinopterygii (ray-finned fish).
Dating back to the Permian period, the Actinopteri comprise the Chondrostei (sturgeons and paddlefish), the Holostei (bowfins and gars), and the teleosts. In other words all extant ray-finned fish minus the bichirs.
In this clade the lungs have evolved into a swim bladder.[1]
Classification
The following cladogram[2][3][4][5] summarizes the evolutionary relationships of extant Actinopteri. Divergence time for each clade in mya are based on:[6]
Actinopteri 400 mya |
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References
- ↑ Dorsoventral inversion of the air-filled organ (lungs, gas bladder) in vertebrates: RNA-sequencing of laser capture microdissected embryonic tissue
- ↑ Betancur-R (2016). "Phylogenetic Classification of Bony Fishes Version 4". https://sites.google.com/site/guilleorti/classification-v-4.
- ↑ Nelson, Joseph, S. (2016). Fishes of the World. John Wiley & Sons, Inc. ISBN 9781118342336.
- ↑ "Actinopterygii". Integrated Taxonomic Information System. https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=161061.
- ↑ R. Froese and D. Pauly, ed (February 2006). "FishBase". http://www.fishbase.org.
- ↑ Thomas J. Near (2012). "Resolution of ray-finned fish phylogeny and timing of diversification". PNAS 109 (34): 13698–13703. doi:10.1073/pnas.1206625109. PMID 22869754.
Wikidata ☰ Q343460 entry
![]() | Original source: https://en.wikipedia.org/wiki/Actinopteri.
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