Hyner, PennsylvaniaHyner is an unincorporated community which is located in Clinton County, Pennsylvania, United States. The community is located along the West Branch Susquehanna River and Pennsylvania Route 120 east of Renovo.DemographicsThe United States Census Bureau defined Hyner as a census designated place in 2023.Fossil discoveriesFossils of extinct species have been found in the Catskill Formation of the Red Hill Shale, dating to the upper Devonian ; these species incorporate "Hyner" in their genus names: Hyneria, a predatory lobe-finned fish, and Hynerpeton, an early four-limbed vertebrate that lived in the rivers and ponds.