Template:Robison & Sprinkle, 1969

• Robison, R.A. & Sprinkle, J. 1969. Ctenocystoidea: new class of primitive echinoderms. Science 166: 1512–151. DOI: 10.1126/science.166.3912.1512  
  • Find all Wikispecies pages which cite this reference.