• Geology
  • Published 1961

Dresbachian and Franconian trilobites of the Conococheague and Frederick limestones of the central Appalachians

@inproceedings{Rasetti1961DresbachianAF,
  title={Dresbachian and Franconian trilobites of the Conococheague and Frederick limestones of the central Appalachians},
  author={Franco Ramo Dino Rasetti},
  year={1961}
}
This paper includes: 1) Additions to the Franconian Elvinia zone fauna from the Conococheague formation, Cambrian] in Virginia; 2) Description of a faunule of the Dresbachian Crepicephalus zone from the same formation and area, 3) The Description of a faunule of the Dunderbergia zone, the first recognized in eastern North America, from the basal Frederick limestone [Cambrian] of Maryland. The occurrence of trilobites of the Dunderbergia zone in exotic boulders in the Lower Ordovician of Quebec… CONTINUE READING