West African Earthworm Genus Millsonia Beddard, 1894 (Oligochaeta: Acanthodrilidae, Benhamiinae) Reviewed And Separation Of A New Genus Author Csuzdi, Cs. text Acta Zoologica Academiae Scientiarum Hungaricae 2006 2006-04-10 52 1 35 48 journal article 10.5281/zenodo.12585973 2064-2474 12585973 Reginaldia gen. n. ( Fig. 1 ) Millsonia : OMODEO 1955: 218 (part.); OMODEO 1958: 59 (part.); SIMS 1986: 277 (part.); CSUZDI 1995 a : 116 (part.); CSUZDI 1996: 360 (part.); CSUZDI 2000 a : 75 (part.). Diagnosis. Male terminalia acanthodriline, sometimes with microscolecine reduction. One or two gizzards before the genital segments, three pairs of stalked extramural calciferous glands in segment xv-xvii , excretory system meroic with astomate meronephridia accompanied caudally by stomate enteronephric filiform megameronephridia ( Fig. 1 ). Paired digitate caeca present in at least one, usually several adjacent segments of the intestine; typhlosole present, ventral setae not modified. Type species: Millsonia ghanensis SIMS , 1965 . Etymology. The new genus is named in honour of the recognized earthworm taxonomist REGINALD WILLIAMS SIMS . Remarks. The new genus is closely related to Millsonia BEDDARD , 1894 but differs from it in the enteronephric condition of the excretory system.