Template:Cookson & Manum, 1960

• Cookson, I.C. & Manum, S.B. 1960. On Crassosphaera, a new genus of microfossils from Mesozoic and Tertiary deposits. Nytt Magasin for Botanikk 8: 5–8.  
  • Find all Wikispecies pages which cite this reference.