Cychrus, Fabricius, 1794

Busato, Enrico, 2012, semigranosus Palliardi, 1825, with a key to the larvae of the European Cychrus species (Coleoptera: Carabidae), Zootaxa 3361, pp. 1-17 : 13

Species groups of Cychrus in Europe spinicollis group

C. spinicollis L. Dufour, 1857

C. dufouri Chaudoir, 1869

Within the genus Cychrus , the spinicollis species group, including two Iberian-Pyrenean species, seems to be markedly isolated and homogeneous.