Template:Read, 2007a
- Read, H.J. 2007. The millipede genus Cylindroiulus Verhoeff, 1894 in north-west Spain and northern Portugal: recent records and descriptions of four new species (Diplopoda, Julida, Julidae). Graellsia 63(2): 279–294. DOI: 10.3989/graellsia.2007.v63.i2.95