| Perionyx | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Annelida |
| Class: | Clitellata |
| Order: | Opisthopora |
| Suborder: | Lumbricina |
| Family: | Megascolecidae |
| Genus: | Perionyx Perrier, 1872 |
Perionyx is a genus of annelids belonging to the family Megascolecidae. [1]
The genus has almost cosmopolitan distribution. [1]
Species: [1]
George Stephenson was a British civil engineer and mechanical engineer. Renowned as the "Father of Railways", Stephenson was considered by the Victorians a great example of diligent application and thirst for improvement. Self-help advocate Samuel Smiles particularly praised his achievements. His chosen rail gauge, sometimes called 'Stephenson gauge', was the basis for the 4 feet 8+1⁄2 inches (1.435 m) standard gauge used by most of the world's railways.
Neal Town Stephenson is an American writer known for his works of speculative fiction. His novels have been categorized as science fiction, historical fiction, cyberpunk, postcyberpunk, and baroque.
Stephenson's Rocket is an early steam locomotive of 0-2-2 wheel arrangement. It was built for and won the Rainhill Trials of the Liverpool and Manchester Railway (L&MR), held in October 1829 to show that improved locomotives would be more efficient than stationary steam engines.
Stephenson County is a county located in the U.S. state of Illinois. According to the 2010 United States Census, it had a population of 47,711. Its county seat is Freeport.
The Megascolecidae is a taxonomic family of earthworms which is can be found native in Australia, New Zealand and both South East Asia and North America. All of Megascolecidae species are belong to the Citellata class. Megascolecidae are a large family of earthworms and they can grow up to 2 meters in length. The intercontinental distribution of Megascolecidae helps in favouring the Continental Drift theory.
Dwight Eugene Stephenson is an American former professional football player who was a center for the Miami Dolphins of the National Football League (NFL) from 1980 to 1987. He played college football for the Alabama Crimson Tide. Stephenson was inducted into the Pro Football Hall of Fame in 1998.
Jan Lynn Stephenson is an Australian professional golfer. She became a member of the LPGA Tour in 1974 and won three major championships and 16 LPGA Tour events. She has 41 worldwide victories including (10) LPGA Legends Tour wins and 8 worldwide major championships. She has 15 holes-in-one with (9) in competition. She was elected to the World Golf Hall of Fame, class of 2019.
The Stephenson valve gear or Stephenson link or shifting link is a simple design of valve gear that was widely used throughout the world for various kinds of steam engines. It is named after Robert Stephenson but was invented by his employees.
Robert Stephenson and Company was a locomotive manufacturing company founded in 1823 in Forth Street, Newcastle-upon-Tyne in England. It was the first company in the world created specifically to build railway engines.
Randall Lynn Stephenson is a retired American telecommunications executive. He served as chairman and chief executive officer (CEO) of AT&T Inc. from May 9, 2007 – June 30, 2020 and as executive chairman of AT&T Inc. from July 1 until December 31, 2020. He served as National President of the Boy Scouts of America from 2016 to 2018. In April 2020, Stephenson announced he would step down as CEO of AT&T effective July 1, 2020, replaced by John Stankey. In November 2020, Stephenson announced he would step down as executive Chairman of AT&T effective January 2021, replaced by William Kennard.
Perionyx excavatus is a commercially produced earthworm. Popular names for this species include composting worms, blues, or Indian blues. This species is marketed for its ability to create fine worm castings quickly. It has recently become more popular in North America for composting purposes.
Ovalipes australiensis is a species of crab found in southern Australia. Its range extends from Western Australia to Queensland, including Tasmania. It is fished commercially and recreationally, although it is not as important as the blue swimmer or mud crab.
Exogyra is an extinct genus of fossil marine oysters in the family Gryphaeidae, the foam oysters or honeycomb oysters. These bivalves grew cemented by the more cupped left valve. The right valve is flatter, and the beak is curved to one side. Exogyra lived on solid substrates in warm seas during the Jurassic and Cretaceous periods.
Sir Henry Frederick Stephenson was a Royal Navy officer, courtier, and Arctic explorer.
Lance Stephenson Jr. is an American professional basketball player who last played for the Liaoning Flying Leopards of the Chinese Basketball Association (CBA). He attended Lincoln High School in the Coney Island section of Brooklyn, where he was named Mr. New York Basketball after his senior year and appeared in the 2009 McDonald's All-American Game. He was drafted with the 40th overall pick in the 2010 NBA draft by the Indiana Pacers and played for the franchise until signing with the Charlotte Hornets in 2014. After three years splitting time with the Hornets, Los Angeles Clippers, Memphis Grizzlies, New Orleans Pelicans and Minnesota Timberwolves, Stephenson returned to the Pacers in 2017. In 2018, he joined the Los Angeles Lakers.
Pycnodonte is a genus of extinct oysters, fossil marine bivalve mollusks in the family Gryphaeidae, the foam oysters or honeycomb oysters. Shells of species in this genus are found around the world in fossil shell beds from the Valanginian to the Early Pleistocene. They are a commonly found fossil in Cretaceous shellbeds of the Navesink Formation in New Jersey.
Bakevelliidae is an extinct family of prehistoric bivalves that lived from the Late Mississippian until the Middle Eocene. Bakevelliidae species are found worldwide, excluding Antarctica. Living a stationary life attached to substrate in marine and brackish environments, they formed shells of an aragonite composition with a low amount of magnesium calcite. The family was named by King in 1850. At least one genus in the family, Hoernesia, has a notably twisted commissure join.
Diadumene is a genus of sea anemones. It is the only genus in the monotypic family Diadumenidae.
Physaraceae is a family of slime molds in the order Physarales.
A bronze statue of Robert Stephenson by Carlo Marochetti usually stands on a red granite plinth in the forecourt of Euston railway station in London, England. Erected in 1871, it is one of few surviving elements of the original station after it was redeveloped in the 1960s, and it became a Grade II listed building in 1974. It was temporarily removed in 2020 to allow the station to be remodelled to accommodate the new High Speed 2 (HS2) railway line.