Geographic distribution of the three species studied.

<p>(A) Map of Costa Rica illustrating the type locality of <i>Principapillatus hitoyensis </i><b>gen. et sp. nov.</b> in the Reserva Biológica Hitoy Cerere (red circle) and the collecting site of <i>Epiperipatus biolleyi</i> in Cascajal de Coronado (green square). (B) Map of Thailand indicating the location of the Chanthaburi Mountain Range (blue triangle) from which specimens of <i>Eoperipatus</i> sp. were obtained.</p>