SardegnaREMARKS: comb. nov.; syn. Chthonius (E.) bauneensis Callaini, 1983; Chthonius (E.) aegatensis Callaini, 1989 (Gardini 2013. Zootaxa 3655(1): 001-151; Zaragoza 2017. Zootaxa 4246(1): 001-221).