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Elopiformes

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Elopiformes
Temporal range: Early Cretaceous–Recent [1]
Tarpon, Megalops sp.
Scientific classification
Kingdom:
Phylum:
Class:
Order:
Elopiformes

Sauvage, 1875
Families

Elopidae
Megalopidae

The Elopiformes /[invalid input: 'ɨ']ˌlɒp[invalid input: 'ɨ']ˈfɔːrmz/ are the order of ray-finned fish including the tarpons, tenpounders, and ladyfish, as well as a number of extinct types. They have a long fossil record, easily distinguished from other fishes by the presence of an additional set of bones in the throat.[1]

They are related to the order of eels, although the adults superficially resemble very large or giant herrings in appearance. The larvae, however, are leptocephali, looking very similar to those of eels.[1]

Classification

Although many fossil forms are known, the order is relatively small today, containing just two genera and nine species:[2]

Order Elopiformes

  • Family Elopidae (ladyfish)
    • Genus Elops (seven species, one of which was described in 2010)
  • Family Megalopidae (tarpons)

Timeline of genera

QuaternaryNeogenePaleogeneCretaceousJurassicTriassicHolocenePleistocenePlioceneMioceneOligoceneEocenePaleoceneLate CretaceousEarly CretaceousLate JurassicMiddle JurassicEarly JurassicLate TriassicMiddle TriassicEarly TriassicEctasisLyrolepisElopsEsocelopsDactylopogonPronotacanthusOpistopteryxTachynectesCoryphaenopsisProtelopsProtostomiasOstariostomaDavichthysCarsothrissopsFlindersicthysOsmeroidesNotelopsEichstaettiaAnaethalionEoprotelopsChongichthysAntofastaichthysQuaternaryNeogenePaleogeneCretaceousJurassicTriassicHolocenePleistocenePlioceneMioceneOligoceneEocenePaleoceneLate CretaceousEarly CretaceousLate JurassicMiddle JurassicEarly JurassicLate TriassicMiddle TriassicEarly Triassic

"Megalopiformes"

QuaternaryNeogenePaleogeneCretaceousHolocenePleistocenePlioceneMioceneOligoceneEocenePaleoceneLate CretaceousEarly CretaceousMegalopsBroweriaPromegalopsProtarponParatarponSedenhorstiaElopoidesQuaternaryNeogenePaleogeneCretaceousHolocenePleistocenePlioceneMioceneOligoceneEocenePaleoceneLate CretaceousEarly Cretaceous

References

  1. ^ a b c McCosker, John F. (1998). Paxton, J.R.; Eschmeyer, W.N. (eds.). Encyclopedia of Fishes. San Diego: Academic Press. pp. 85–86. ISBN 0-12-547665-5.
  2. ^ Froese, Rainer; Pauly, Daniel (eds.). "Order Elopiformes". FishBase. January 2009 version.