County Durham | Orange County | County Cork | St. Louis County, Minnesota | County Galway | County Mayo | county | Montgomery County | Los Angeles County Museum of Art | Lancashire County Cricket Club | Westchester County, New York | Nassau County, New York | County Antrim | Rockland County, New York | County Down | Washington County | Hillsborough County | Derby County F.C. | County Meath | County Donegal | Erie County, New York | County Tyrone | County Tipperary | County Louth | County Armagh | Wayne County, Michigan | Somerset County Cricket Club | Los Angeles County | Jefferson County | Glamorgan County Cricket Club |
The generic name is derived from the name of the historical Yongjing County, near where the holotype of Yongjinglong and numerous dinosaur track fossils were collected, and from long, meaning "dragon" in Chinese.