Three known species of the genus Cervidellus Thorne, 1937 are described from natural areas in the SE Iberian Peninsula on the basis of light and scanning electron microscopy, viz., C. neftasiensis, C. vexilliger and C. hamatus. In addition, data on C. hamatus from the USA are given. Descriptions, measurements and illustrations, including SEM photographs, are provided for all three species. The systematics of the genus is briefly discussed and an identification key to the species is provided.
- species nematoda