Fossil group: Ichnofossils
Genus Helminthopsis Heer, 1877

Selection of related publications

  • Hanken, et al., 2016. Late Ordovician Trace Fossils from Offshore to Shallow Water Mixed Siliciclastic and Carbonate Facies in the Ringerike Area, Oslo Region, Norway [DOI]
  • Landing et al., 2007. Global standard names for the Lowermost Cambrian Series and Stage