Petroscolex Csuzdi, Szederjesi & Sherlock, gen. nov

Petroscolex Csuzdi, Szederjesi & Sherlock, gen. nov. Type species. Petroscolex centenarius sp. nov. Diagnosis. Eudrilinae with single midventral prostatic pore in xiii and single midventral spermathecal pore in xviii. Female pores paired in xiv close to 14/15 near d. Oesophageal gizzard in vi, intestinal gizzards absent. Dorsal blood vessel simple throughout. Paired calciferous glands in xiv and unpaired chylus-sacs in ix, x, xi. Male genital apparatus proandric with sperm reservoirs in x and vesicles in xi. Excretory system holoic, vesiculate. Ovo-spermathecal apparatus paired with a dorsal interconnecting duct. Penial setae lacking. Etymology. The new genus is named in honour of Prof. Pietro Omodeo. Remarks. The new genus is unique among Eudrilidae due to the forward shift of the prostatic pore and the position of calciferous glands in segment xiv.