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. Distribution Fossils of Xiphiorhynchus have been found in: 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 Miocene Raz-el-Ain Formation, Algeria Pisco Formation, Peru See also Prehistoric fish List of prehistoric bony fish References External links Bony fish in the online Sepkoski Database Prehistoric ray-finned fish genera Ypresian genus first appearances Miocene extinctions Prehistoric fish of Africa Neogene Africa Fossils of Algeria Prehistoric fish of Antarctica Paleogene Antarctica Fossils of Antarctica Prehistoric fish of Europe Paleogene United Kingdom Fossils of England Prehistoric fish of North America Paleogene United States Fossils of Louisiana Fossils of Mississippi Fossils of North Carolina Fossils of South Carolina Prehistoric fish of South America Neogene Peru Fossils of Peru Fossil taxa described in 1871 Xiphiidae