Notopterus

Notopterus
Temporal range: Eocene–present
knife fish
Notopterus notopterus
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Division: Teleostei
Order: Osteoglossiformes
Family: Notopteridae
Subfamily: Notopterinae
Genus: Notopterus
Lacépède, 1800
Species

N. notopterus (Pallas, 1769)
N. synurus (Bloch & Schneider, 1801)

Notopterus is a genus of fishes in family Notopteridae found in South Asia:Pakistan, India, Nepal and Bangladesh (N. synurus) and Southeast Asia: Myanmar, Indonesia, Malaysia, Laos, Thailand, Cambodia and Vietnam (N. notopterus).[1]

The genus was formerly monotypic, featuring only the tautonymous type species. However, genetic evidence recommended that the genus be split in 2020.[2] In addition, the fossil species †Notopterus primaevus Günther, 1876 is known from an complete skeleton described from the Eocene-aged Sangkarewang Formation of Sumatra, Indonesia.[3][4]

References

  1. ^ Fricke, Ron; Eschmeyer, William N. & van der Laan, Richard (eds.). "Species in the genus Notopterus". Catalog of Fishes. California Academy of Sciences. Retrieved 26 April 2025.
  2. ^ Lavoué, S.; S. Z. Ghazali; J. A. F. Jamaluddin; S. A. M. Nor; K. M. Zain (1 July 2020). "Genetic evidence for the recognition of two allopatric species of Asian bronze featherback Notopterus (Teleostei, Osteoglossomorpha, Notopteridae)". Zoosystematics and Evolution. 96 (2): 449–454. doi:10.3897/zse.96.51350.
  3. ^ "†Notopterus primaevus Gunther 1876 (knifefish)". paleobiodb.org. Retrieved 2025-10-06.
  4. ^ Hilton, Eric J.; Lavoué, Sébastien (2018). "A review of the systematic biology of fossil and living bony-tongue fishes, Osteoglossomorpha (Actinopterygii: Teleostei)". Neotropical Ichthyology. 16 (3). doi:10.1590/1982-0224-20180031.
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