Jansen-Jacobs 968 (Guyana, Upper Takutu-Upper Essequibo, Kanuku Mts., Tsikoma Cr., Jansen-Jacobs 968)

Derived Unit

Derivation tree

  • Guyana, Upper Takutu-Upper Essequibo, Kanuku Mts., Tsikoma Cr., Jansen-Jacobs 968
    • Guyana, Upper Takutu-Upper Essequibo, Kanuku Mts., Tsikoma Cr., Jansen-Jacobs 968