Meini, G. 2013. Two new marine flatworms (Platyhelminthes: Rhabditophora: Proseriata) of the genus Otoplana Du Plessis, 1889 from the upper Tuscany sandy shores (Italy). Zootaxa. 3608, 7 (Jan. 2013), 575–586. DOI:https://doi.org/10.11646/zootaxa.3608.7.4.