@article {1838,
	title = {Freshwater planarians from Colombia and a revision of Fuhrmann{\textquoteright}s types},
	journal = {Bijdragen tot de Dierkunde },
	volume = {50},
	year = {1980},
	pages = {235-242},
	author = {Ian R. Ball}
}
@article {1837,
	title = {Karyology of <i>Dugesia arizonensis</i> Turbellaria Tricladida},
	journal = {Caryologia},
	volume = {30},
	year = {1977},
	pages = {63-68},
	author = {Nicole Gourbault}
}
@article {439,
	title = {Freshwater triclads (Turbellaria) of North America. VIII. <i>Dugesia arizonensis</i>, new species},
	journal = {Proceedings of The Biological Society of Washington},
	volume = {88},
	year = {1975},
	pages = {113-120},
	chapter = {113},
	author = {Roman Kenk}
}
