Xiphiorhynchus

Xiphiorhynchus
Temporal range:
Fossil of Xiphiorhynchus sp
Artist's restoration of X. rotundus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Carangiformes
Family: †Xiphiorhynchidae
Genus: †Xiphiorhynchus
Van Beneden, 1871
Species
  • †X. aegyptiacus Weiler, 1929
  • †X. courcelli Arambourg, 1927
  • †X. elegans Van Beneden, 1871 (type)
  • †X. eocaenicus Woodward, 1901
  • †X. homalorhamphus Cope, 1869
  • †X. hungaricus Weiler, 1943
  • †X. kimblalocki Fierstine & Applegate, 1974
  • †X. parvus Casier, 1966
  • †X. priscus? Agassiz, 1833
  • †X. rotundus Monsch et al., 2005
  • †X. rupeliensis Leriche, 1909

Xiphiorhynchus is an extinct genus of prehistoric swordfish that lived from the Eocene until the Miocene. Unlike the modern swordfish, both the upper and lower jaws of Xiphiorhynchus were extended into blade-like points. The largest member of this genus, Xiphiorhynchus rotundus, was at least 5.1 meters in length and had an estimate length of 708 kilograms, making it larger than any record extant billfish, and largest billfish ever known.

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