Xiphiorhynchus is an extinct genus of prehistoric swordfish that lived from the Eocene until the Oligocene.[1] Unlike the modern swordfish, both the upper and lower jaws of Xiphiorhynchus were extended into blade-like points.

Xiphiorhynchus
Temporal range: Eocene–Oligocene
Artist's restoration of X. rotundus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Carangiformes
Family: Xiphiidae
Genus: Xiphiorhynchus
Van Beneden, 1871
Species
  • X. elegans Van Beneden 1871 (type)
  • X. eocaenicus Woodward 1901
  • X. parvus Casier 1966
  • X. priscus Agassiz 1833
  • X. rotundus Monsch et al. 2005

Distribution

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Fossils of Xiphiorhynchus have been found in:[2]

Eocene
Oligocene

See also

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References

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  1. ^ Fierstine, Harry L. (2006). "Fossil History of Billfishes (Xiphioidei)". Bulletin of Marine Science.
  2. ^ Xiphiorhynchus at Fossilworks.org
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