''Aglyptorhynchus'' is an extinct genus of marine

billfish The billfish are a group (Xiphioidea) of saltwater fish, saltwater predatory fish characterised by prominent pointed beak, bills (rostrum (anatomy), rostra), and by their large size; some are longer than . Extant billfish include sailfish and m ...

that was distributed worldwide from the early

Eocene The Eocene ( ) is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes ...

to the early

Miocene The Miocene ( ) is the first epoch (geology), geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and mea ...

. Fossils are primarily known from the

Northern Hemisphere The Northern Hemisphere is the half of Earth that is north of the equator. For other planets in the Solar System, north is defined by humans as being in the same celestial sphere, celestial hemisphere relative to the invariable plane of the Solar ...

(both coasts of North America and western/central Europe), but one species is also known to have inhabited the waters off

New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...

. The following species are known: * ''A. columbianus'' Fierstine, 2005 -

Late Oligocene The Chattian is, in the geologic timescale The geologic time scale or geological time scale (GTS) is a representation of time based on the rock record of Earth. It is a system of chronological dating that uses chronostratigraphy (the pro ...

Washington Washington most commonly refers to: * George Washington (1732–1799), the first president of the United States * Washington (state), a state in the Pacific Northwest of the United States * Washington, D.C., the capital of the United States ** A ...

, US (

Lincoln Creek Formation Lincoln Creek Formation (originally known as the Lincoln Formation) is a geologic formation in the state of Washington. It is part of the Belgian Basin and preserves fossils dating to between the Late Eocene-Early Miocene, recording an almost comp ...

) * ''A. denticulatus'' (Leriche, 1906) - Early

(

Aquitanian Aquitanian may refer to: *Aquitanian (stage), a geological age, the first stage of the Miocene Epoch *Aquitanian language, an ancient language spoken in the region later known as Gascony *Aquitani (or Aquitanians), were a people living in what is n ...

) of

Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...

( Melk Formation) * ''A. hakataramea'' Gottfried, Fordyce & Rust, 2012 - Late Oligocene of New Zealand ( Otekaike Limestone) * ''A. maxillaris'' Fierstine, 2001 - Late Oligocene of Oregon, US (

Yaquina Formation The Yaquina Formation is a geologic formation in Oregon. It preserves fossils dating back to the Paleogene period. Fossil content Mammals Carnivorans Cetaceans Desmostylians Fish Bony fish Sharks See also * List of fossiliferous stra ...

) * ''A. sulcatus'' (Casier, 1946) -

Early Eocene In the geologic timescale the Ypresian is the oldest age (geology), age or lowest stage (stratigraphy), stratigraphic stage of the Eocene. It spans the time between , is preceded by the Thanetian Age (part of the Paleocene) and is followed by th ...

of Belgium ( Argile des Flandres Formation) and England (

London Clay The London Clay Formation is a Sediment#Shores and shallow seas, marine formation (geology), geological formation of Ypresian (early Eocene Epoch, c. 54-50 million years ago) age which outcrop, crops out in the southeast of England. The London C ...

) * ''A. venablesi'' Casier, 1966 - Early Eocene of England (London Clay) and

Virginia Virginia, officially the Commonwealth of Virginia, is a U.S. state, state in the Southeastern United States, Southeastern and Mid-Atlantic (United States), Mid-Atlantic regions of the United States between the East Coast of the United States ...

, US (

Nanjemoy Formation The Nanjemoy Formation is a Formation (geology), geologic formation pertaining to both the Wilcox Group and the Pamunkey Group of the eastern United States, stretching across the states of Virginia, Maryland, and the District of Columbia. The f ...

) Indeterminate remains are known from the early and late Oligocene of

South Carolina South Carolina ( ) is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders North Carolina to the north and northeast, the Atlantic Ocean to the southeast, and Georgia (U.S. state), Georg ...

(

Ashley Ashley is a place name derived from the Old English words '' æsċ'' (“ash”) and '' lēah'' (“meadow”). It may refer to: People and fictional characters * Ashley (given name), a list of people and fictional characters with the given name ...

Chandler Bridge Chandler Bridge Creek is a stream in Berkeley, Charleston, and Dorchester counties in the U.S. state of South Carolina. It is a tributary of Eagle Creek, which flows into the Ashley River. The late Oligocene (Chattian) Chandler Bridge Formation, ...

formations) and the Miocene of

Hungary Hungary is a landlocked country in Central Europe. Spanning much of the Pannonian Basin, Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the south, Croatia and ...

( Törökbálint Formation). It has been hypothesized that ''Aglyptorhynchus'' originally arose in the Atlantic around the warm

Gulf Stream The Gulf Stream is a warm and swift Atlantic ocean current that originates in the Gulf of Mexico and flows through the Straits of Florida and up the eastern coastline of the United States, then veers east near 36°N latitude (North Carolin ...

, and migrated to the Pacific by the Oligocene via the then-open

Central American Seaway The Central American Seaway (also known as the Panamanic Seaway, Inter-American Seaway and Proto-Caribbean Seaway) was a body of water that once separated North America from South America. It formed during the Jurassic (200–154 year#Abbreviation ...

References

† A dagger, obelisk, or obelus is a typographical mark that usually indicates a footnote if an asterisk has already been used. The symbol is also used to indicate death (of people) or extinction (of species or languages). It is one of the mo ...

Prehistoric percomorph genera Eocene fish of Europe Eocene fish of North America Oligocene fish Oligocene animals of North America Oligocene animals of Oceania Cenozoic fish of Oceania Miocene fish of Europe Fossils of the United States Fossils of Austria Fossils of Belgium Fossils of England Fossils of New Zealand Ypresian genus first appearances Lutetian genera Chattian genera Aquitanian genus extinctions Fossil taxa described in 1966 {{Carangiformes-stub