Xiphiorhynchus

 ( Prehistoric Ray-finned Fish Genera ) 

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

Eocene

• La Meseta Formation, Antarctica
• London Clay, Selsey Formation and , 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