Lyginopteris is a seed fern characterized by small stalked leaflets attached at nearly right angles to the stem axis, with individual pinnules displaying two lateral lobes and one terminal lobe.


Rock Type: Sandstone; fine-grained
Formation: Kanawha
Interval: Coalburg seam
Age: Middle Pennsylvanian Period, approx. 307 million years.


Location: Nicholas County, West Virginia; Ramp Run Surface Mine #1, located about 12 miles north of Summersville, West Virginia. Turn west off route 19 north of Summersville onto Spruce Run Road. Follow it out the ridge about 7 miles to Buffalo Creek.

If you come to the town of Dille or Widen you are LOST. Stop and ask someone there how to get to the strip job where the largest living poplar tree in West Virginia is. If that person doesn't know, go ask someone older.