List of biogeographical puzzles

This is a list of taxa whose location or distribution is notably difficult to explain; e.g., species which came to occupy a range distant from that of their closest relatives by a process or history that is not understood, or is a subject of controversy.

Specific taxa

 * Mammals
 * Falkland Islands wolf
 * Gansu mole
 * Pennant's colobus
 * Birds
 * Elephant birds
 * Moa
 * Nicobar megapode
 * Reptiles
 * Brachylophus
 * Lapitiguana
 * Phelsuma andamanense

Assemblages of taxa

 * Lusitanian flora