@article {1779,
	title = {Studies on Virginian triclads},
	journal = {Journal Elisha Mitchell Scientific Society},
	volume = {51},
	year = {1935},
	pages = {79-133},
	url = {http://dc.lib.unc.edu/cdm/ref/collection/jncas/id/1631},
	author = {Roman Kenk}
}
@article {786,
	title = {A brief account of the fresh water species of Planariae inhabiting the United States},
	journal = {Proceedings of the Boston Society of Natural History},
	volume = {3},
	year = {1850},
	pages = {264-265},
	url = {http://www.biodiversitylibrary.org/item/35741$\#$page/272/mode/1up},
	author = {Charles Fr{\'e}d{\'e}ric Girard}
}
@article {629,
	title = {Index to the genera and species of the freshwater triclads (Turbellaria) of the world},
	number = {183},
	year = {1974},
	doi = {https://doi.org/10.5479/si.00810282.183},
	url = {https://repository.si.edu/handle/10088/5332},
	author = {Roman Kenk}
}
@article {762,
	title = {A laboratory study of substrate and temperature preferences of three species of freshwater planarians (Turbellaria: Tricladida)},
	journal = {Journal of the Tennessee Academy of Science},
	volume = {55},
	year = {1980},
	pages = {117-120},
	url = {http://iweb.tntech.edu/sstedman/JTAS\%2055-4.pdf},
	author = {Speight, D. C. and Chandler, C. M.}
}
