WESTROP, STEPHEN R., 2Oklahoma Museum of Natural History and School of Geosciences, University of Oklahoma, Norman, Oklahoma 73072, USA;

• Zootaxa Vol. 4804 No. 1: 30 Jun. 2020 - Monograph
  

  Systematics of a survivor: the Cambrian kingstoniid trilobite Blountia Walcott, 1916 across the Marjuman–Steptoean (Guzhangian–Paibian) extinction interval in Laurentian North America

  
  Abstract