- GeoRef, Copyright 2004, American Geological Institute. Reference includes data from Bibliography and Index of Geology Exclusive of North America, Geological Society of America, Boulder, CO, United States
Fossiliferous material was collected from a black, slightly sheared limestone on the Uribe trail, approximately 90 miles south of Bogota, Colombia. The material includes Paradoxides sp. (first record in South America), Peronopsis or Hypagnostus sp., Ehmania cf. akanthophora, and E. cf. amphibola. The age is middle Cambrian.