''Megamolgophis'' is an extinct

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of eel-like

tetrapod Tetrapods (; ) are four-limbed vertebrate animals constituting the superclass Tetrapoda (). It includes extant and extinct amphibians, sauropsids ( reptiles, including dinosaurs and therefore birds) and synapsids (pelycosaurs, extinct theraps ...

, possibly belonging to the group

Lysorophia Lysorophia is an order of fossorial Carboniferous and Permian tetrapods within the Recumbirostra. Lysorophians resembled small snakes, as their bodies are extremely elongate. There is a single family, the Molgophidae (previously known as Lysoro ...

. Fossils from this genus have been found in the

Allegheny mountains The Allegheny Mountain Range (; also spelled Alleghany or Allegany), informally the Alleghenies, is part of the vast Appalachian Mountain Range of the Eastern United States and Canada and posed a significant barrier to land travel in less devel ...

of the eastern

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

. The genus is endemic to

geological formation A geological formation, or simply formation, is a body of rock having a consistent set of physical characteristics ( lithology) that distinguishes it from adjacent bodies of rock, and which occupies a particular position in the layers of rock exp ...

s of this area, such as the

Greene Greene may refer to: Places United States *Greene, Indiana, an unincorporated community *Greene, Iowa, a city *Greene, Maine, a town ** Greene (CDP), Maine, in the town of Greene *Greene (town), New York ** Greene (village), New York, in the town ...

and

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...

formations of the

Early Permian 01 or '01 may refer to: * The year 2001, or any year ending with 01 * The month of January * 1 (number) Music * '01 (Richard Müller album), 01'' (Richard Müller album), 2001 * 01 (Son of Dave album), ''01'' (Son of Dave album), 2000 * 01 (Urban ...

Dunkard Group, as well as the Pennsylvanian (Late

Carboniferous The Carboniferous ( ) is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period million years ago ( Mya), to the beginning of the Permian Period, million years ago. The name ''Carbonifero ...

) Conemaugh Group. If correctly assigned to Lysorophia, members of ''Megamolgophis'' would not only be the largest known lysorophians, but also some of the largest lepospondyls in general. In 1952,

Alfred Romer Alfred Sherwood Romer (December 28, 1894 – November 5, 1973) was an American paleontologist and biologist and a specialist in vertebrate evolution. Biography Alfred Romer was born in White Plains, New York, the son of Harry Houston Romer an ...

suggested that the holotype may have been 1.3 meters (four feet) in length, similar to the length of an average

black snake Black is a color which results from the absence or complete absorption of visible light. It is an achromatic color, without hue, like white and grey. It is often used symbolically or figuratively to represent darkness. Black and white ha ...

. However, based on the length of the specimen's ribs, Romer also considered it likely that it was much wider and therefore much heavier in life than a black snake, instead being proportionally similar to an

eastern diamondback rattlesnake The eastern diamondback rattlesnake (''Crotalus adamanteus'') is a species of pit viper in the family Viperidae. The species is endemic to the Southeastern United States. It is one of the heaviest venomous snakes in the Americas and the largest ...

. It is uncertain whether this genus legitimately belongs to Lysorophia, as referred skull material shows notable differences with lysorophian skulls.

References

Lysorophians {{Lepospondyli-stub

See also

References