Maine Biota Project

Flatworms of Maine

(Kingdom Animalia, Phylum Platyhelminthes)


Below is a working list of Maine’s flatworms. Species attributed to Pollock (1998) are those that were reported as occurring between Cape Cod and Newfoundland.
Class Order Family Genus Species Authority Common Name Sources (full citations given below this table)
Acoela ? Convolvulitidae Polychoerus caudatus Mark ? Pollock (1998)
Macrostomorpha Dolichomicrostomida Microstomidae Microstomum davenporti Graff ? DMC
Trematoda Opisthorchiida Heterophyidae Cryptocotyle lingua ? ? DMC
Trepaxonemata Neoophora Bdellouridae Bdelloura candida (Girard) limulus leech DMC; Pollock (1998)
Trepaxonemata Neoophora Bdellouridae Syncoelidium pellucidum Wheeler ? DMC; Pollock (1998)
Trepaxonemata Neoophora Dugesiidae Cura foremanii (Girard) ? Procter (1933, p. 128., as Curtisia foremanii)
Trepaxonemata Neoophora Geoplanidae Rhynchodemus sylvaticus (Leidy) ? Procter (1933, p. 128.)
Trepaxonemata Neoophora Plagiostomidae Plagiostomum album Hyman ? Pollock (1998)
Trepaxonemata Neoophora Planariidae Phagocata gracilis (Haldeman) ? DMC (as Euplana gracilis); Procter (1933, p. 128., as Euplanaria gracilis)
Trepaxonemata Neoophora Planariidae Phagocata morgani (Stevens and Boring) ? Procter (1933, p. 128., as Fonticola truncata)
Trepaxonemata Neoophora Procerodidae Procerodes littoralis (O. F. Müller) ? DMC (as Procerodes wheatlandi); Pollock (1998)
Trepaxonemata Neoophora Procerodidae Procerodes wheatlandi (O. F. Müller) ? DMC
Trepaxonemata Neoophora Uteriporidae Foviella affinis (Ørsted) ? Pollock (1998)
Trepaxonemata Neoophora Uteriporidae Uteriporus vulgaris Bergendal ? Pollock (1998)
Trepaxonemata Neoophora ? Micropharynx parasitica Jagerskiold ? Procter (1933, p. 128.)
Trepaxonemata Polycladida Euplanidae Euplana gracilis (Girard) oyster flatworm Pollock (1998)
Trepaxonemata Polycladida Plehniidae Plehnia ellipsoides (Girard in Stimpson) ? Pollock (1998 as Discocelides ellipsoides)
Trepaxonemata Polycladida Pleioplanidae Pleioplana atomata (O. F. Müller) speckled flatworm DMC (as Notoplana atomata); Pollock (1998 as Notoplana atomata)
Trepaxonemata Polycladida Stylochidae Stylochus ellipticus (Girard) oyster flatworm DMC; Pollock (1998)


Sources:
DMC = Darling Marine Center website (https://dmc.umaine.edu/research/species-list/) accessed 11 August 2020.
Pollock, Leland W. 1998. A Practical Guide to the Marine Animals of Northeastern North America. Rutgers University Press; New Brunswick, New Jersey. (ISBN 0-8135-2398-2)
Procter, William. 1933. Biological Survey of the Mount Desert Region, Part V. Philadelphia: The Wistar Institute of Anatomy and Biology.