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Observations on a Geocentrophora sp. (Lecithoepitheliata) flatworm from forest soils in Nova
 

Summary: Observations on a Geocentrophora sp.
(Lecithoepitheliata) flatworm from forest soils in Nova
Scotia
SINA M. ADL1
, INAKI RUIZ-TRILLO2
& MELANIE L. WILSON1
1
Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada and 2
Department of
Biochemistry and Molecular Biology, Dalhousie University, Halifax, Nova Scotia, Canada
(Accepted 25 July 2006)
Abstract
The role of these free-living terrestrial flatworms in the soil food web is poorly known. We isolated
individuals of a 1.5 mm long Geocentrophora sp. from forest soil samples near and about Halifax in
Nova Scotia. The SSU rDNA sequence indicates 97% ML bootstrap support with Geocentrophora de
Man, 1876, in the family Prorhynchidae Hallex, 1894, order Lecithoepitheliata Reisinger, 1924. We
tried to determine the diet and role of the species in forest soil. The isolates were kept in the
laboratory over several months, while fed a variety of diets. The only observed feeding strategy was on
decomposing organic matter, but individuals could be maintained on agar plates with nematodes or
amoebae. We did not observe any form of reproduction. The species somehow survives the frozen soil

  

Source: Adl, Sina - Department of Biology, Dalhousie University

 

Collections: Environmental Sciences and Ecology