Oslerus ( ) brachyurus sp. nov. was collected from the mucosa of inner surface trachea and bronchi Chrysocyon Atlantic forest area, in state Minas Gerais, Brazil. The new species is described based on morphological metric analyses. differs morphologically only subgenus O. ), osleri , for not possessing a cuticular collar or protusible rostrum anterior region, having one well developed excretory...