The Pen Formation is a Campanian-age geologic unit in the western United States. Sharks are well known from the Pen Formation. Lonchidion selachos Squalicorax...

trachyandesite flows Hog Pen Formation: interbedded debris flows and basalt to basaltic trachyandesite flows These rest on the Sanders Canyon Formation, an Eocene sedimentary...

Marion Anne Perrine "Marine" Le Pen (French: [maʁin lə pɛn]; born 5 August 1968) is a French lawyer and politician who ran for the French presidency in...

The Pen An Ero Formation is a geologic formation in France. It preserves fossils dating back to the Devonian period. Earth sciences portal France portal...

PEN International (known as International PEN until 2010) is a worldwide association of writers, founded in London in 1921 to promote friendship and intellectual...

Pen y Fan (Welsh pronunciation: [ˌpɛn ə ˈvan]) is the highest peak in South Wales, situated in Brecon Beacons National Park (Bannau Brycheiniog). At 886...

English PEN is one of the world's first non-governmental organisations and among the first international bodies advocating for human rights. English PEN was...

PEN America (formerly PEN American Center), founded in 1922, and headquartered in New York City, is a nonprofit organization whose goal is to raise awareness...

Pen Sandstone is a late Triassic geologic formation exposed in northeastern New Mexico. Fossil theropod tracks have been reported from the formation....

found alongside another nodosaur, CPC 273, in a marine layer of the Pen Formation and dates from the Santonian. It consists of partial skeleton lacking...