Xiphiorhynchus

Xiphiorhynchus Temporal range: Eocene–Oligocene PreꞒ Ꞓ O S D C P T J K Pg N
Artist's restoration of X. rotundus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Istiophoriformes
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

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.

Fossils of Xiphiorhynchus have been found in:^[2]

Eocene

• La Meseta Formation, Antarctica
• London Clay, Selsey and Elmore Formations, England
• Yazoo Formation, Louisiana
• Moodys Branch Formation, Mississippi
• Castle Hayne Formation, North Carolina

Oligocene

• Chandler Bridge Formation, South Carolina

• Prehistoric fish
• List of prehistoric bony fish

• Bony fish in the online Sepkoski Database