Ioscion

Ioscion

Ioscion
Temporal range: Upper Miocene (Tortonian)[1]
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Division: Teleostei
Order: Acanthuriformes
Family: Sciaenidae
Genus: Ioscion
Jordan, 1921
Species:
I. morgani
Binomial name
Ioscion morgani
Jordan, 1921

Ioscion morgani is an extinct prehistoric marine ray-finned fish that lived during the Upper Miocene subepoch of what is now the Tortonian-aged Monterey Formation of Southern California.[2][1] It is primarily known from incomplete fossils, such as the holotype, which consists of a broken backbone. The morphology of the head is unknown.[3]

It was described by David Starr Jordan, who suggested that enough of the animal's anatomy suggests a relationship with the jackfishes of Carangidae.[3] It was moved to its own family, Ioscionidae, by David (1943).[4] However, a 2009 study refuted this placement and found it to be a drumfish based on its anatomy and fin placement.[5]

See also

References

  1. ^ a b Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Archived from the original on 2011-07-23. Retrieved 2009-02-27.
  2. ^ "PBDB". paleobiodb.org. Archived from the original on 2022-12-01. Retrieved 2026-08-10.
  3. ^ a b David, Lore Rose. January 10, 1943. Miocene Fishes of Southern California The Society p 149-150
  4. ^ California Academy of Sciences (1890). Occasional papers of the California Academy of Sciences. California Academy of Sciences. San Francisco : California Academy of Sciences.{{cite book}}: CS1 maint: publisher location (link)
  5. ^ "A new Early Miocene genus of the family Sciaenidae (Teleostei, Perciformes) from the eastern Paratethys". Comptes Rendus Palevol (in French). 8 (6): 535–544. 2009. doi:10.1016/j.crpv.2009.03.001.


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