Zenopsis

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Zenopsis
Temporal range: Early Oligocene–present
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[1] Possible Eocene record
Mirror dory.png
Mirror Dory (Z. nebulosa)
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Zeiformes
Family: Zeidae
Genus: Zenopsis
T. N. Gill, 1862
Synonyms
  • †CyttoidesWettstein, 1886

Zenopsis is a genus of dories, a group of marine fish. There are five extant species, but the genus is also known from fossils dating back to the Oligocene epoch. They largely resemble the better-known John Dory, and are typically found in relatively deep water, below normal scuba diving depth.

Species

There are currently five recognized recent species in this genus: [2]

The following fossil species are also known: [5]

Morphological analysis suggests that the fossil genus †CyttoidesWettstein, 1886 from the Early Oligocene-aged Matt Formation of Canton Glarus, Switzerland [6] [7] [8] is in fact a specimen of Zenopsis, which would make it known as †"Zenopsis glaronensis" (Wettstein, 1886). However, this name is thought to be a nomen dubium, as the specimen cannot be properly assigned to a species due to its highly distorted nature. [5] The modern king dory (Cyttus traversi) was briefly classified into the genus Cyttoides, but was reclassified back when that genus was found to be preoccupied by "C." glaronensis. [9]

Another dubious species, † Zenopsis colchicus (Simonovich, 1875) (= Platax colchicus) from the Eocene of Georgia, is known only from illustrations of lost specimens and may be the earliest known record of the Zeidae. It closely resembles Zenopsis and may be the earliest record of it, but its identity remains uncertain without actual specimens. [5]

References

  1. ↑ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera". Bulletins of American Paleontology. 364: 560. Archived from the original on July 23, 2011. Retrieved 2007-12-25.
  2. ↑ Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Zenopsis". FishBase . October 2012 version.
  3. ↑ Bailly, N. (2013). Zenopsis conchifer (Lowe, 1852). Archived 2013-11-05 at the Wayback Machine In: Froese, R. and D. Pauly, Eds. FishBase. World Register of Marine Species. Accessed 6 June 2013.
  4. ↑ Kai, Yoshiaki; Tashiro, Fumihito (2019-07-01). "Zenopsis filamentosa (Zeidae), a new mirror dory from the western Pacific Ocean, with redescription of Zenopsis nebulosa" . Ichthyological Research. 66 (3): 340–352. doi:10.1007/s10228-018-00679-1. ISSN   1616-3915. Archived from the original on 2023-02-05. Retrieved 2024-08-18.
  5. 1 2 3 Baciu, Dorin-Sorin; Bannikov, Alexandre F.; Tyler, James C. (2005). "Revision of the fossil fishes of the family Zeidae (Zeiformes)". Bolletino de Museo Storia Naturale di Verona. 29: 95–128.
  6. ↑ Świdnicki, Jacek (1986). "Oligocene Zeiformes (Teleostei) from the Polish Carpathians". Acta Palaeontologica Polonica. 31: 1–2.
  7. ↑ Macfarlane, John Muirhead (1923). The Evolution and Distribution of Fishes. Macmillan.
  8. ↑ Geology, British Museum (Natural History) Department of; Woodward, Arthur Smith (1901). Catalogue of the Fossil Fishes in the British Museum (Natural History): Actinopterygian Teleostomi of the suborders Isospondyli (in part), Ostariophysi, Apodes, Percesoces, Hemibranchii, Acanthopterygii, and Anacanthini. order of the Trustees.
  9. ↑ Eschmeyer, William N. (1990). Catalog of the Genera of Recent Fishes. California Academy of Sciences. ISBN   978-0-940228-23-8.


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