| Concise reference: | 
    Darwin, C. R. 1853. [Description of Patagonian fossil beds]. In Owen, R., Description of some species of the extinct genus Nesodon, with remarks on the Primary Group (Toxodontia) of hoofed quadrupeds, to which that genus is referable. [Read 25 November 1852 and 13 January 1853] Philosophical Transactions of the Royal Society 143: 309. | 
  
    | Detailed reference: | 
    Darwin, C. R. 1853. [Description of Patagonian fossil beds.] In Owen, R., Description of some species of the extinct genus Nesodon, with remarks on the Primary Group (Toxodontia) of hoofed quadrupeds, to which that genus is referable. [Read 25 November 1852 and 13 January 1853] Philosophical Transactions of the Royal Society 143: 309.
(Kees Rookmaaker 2007) |