Enghoff, H. and Frederiksen, S.B. 2015. A mountain of millipedes II: The genus Aquattuor Frederiksen, 2013 - five new species from the Udzungwa Mountains and one from Mt. Kilimanjaro, Tanzania (Diplopoda, Spirostreptida, Odontopygidae). European Journal of Taxonomy. 150 (Nov. 2015). DOI:https://doi.org/10.5852/ejt.2015.150.