Freshwater Triclad Planarians (Turbellaria) from Plummers Island, Maryland

Arnold W. Norden

doi:10.2988/0097-0298(2008)15[11:FTPTFP]2.0.CO;2

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Arnold W. Norden¹

¹Maryland Department of Natural Resources, Public Lands Policy and Planning E-4, Tawes State Office Building, Annapolis, Maryland 21401, U.S.A., e-mail: bnorden@dnr.state.md.us

Abstract

Five species of freshwater triclad planarians were found on Plummers Island and the adjacent mainland property, Montgomery County, Maryland. One species (Dugesia [G.] tigrina) occupying the Potomac River and a tributary, is tolerant of degraded habitat. The other four occupy vernal pools (Hymanella retenuova and Phagocata velata) or spring-seeps (Phagocata morgani and Paraplanaria dactyligera) and appear to be indicators of high quality aquatic habitat. These five species represent 36% of the total known Maryland fauna of 14 species.

Citation Download Citation

Arnold W. Norden "Freshwater Triclad Planarians (Turbellaria) from Plummers Island, Maryland," Bulletin of the Biological Society of Washington 15(1), 11-12, (1 May 2008). https://doi.org/10.2988/0097-0298(2008)15[11:FTPTFP]2.0.CO;2

Published: 1 May 2008