New discoveries of the oldest trilobites Profallotaspis and Nevadella in the northeastern Siberian Platform, Russia

E. Bushuev, I. Goryaeva, V. Pereladov
2014 Bulletin of Geosciences  
doi:10.3140/bull.geosci.1406 fatcat:l3r3yofvofd7poptnkn3acduyq