| description of leptopharynx brasiliensis nov. spec. and leptopharynx costatus gonohymen nov. subspec. (ciliophora, microthoracida). | using standard morphological methods, we describe one new leptopharynx species and a new subspecies of l. costatus, both from soil of the neotropic region. further, we studied two populations of l. costatus costatus. leptopharynx brasiliensis nov. spec., which was discovered in the mato grosso, brazil, is a large member (60μm) of the genus with an enormous oral basket. it differs from similar congeners in having six monokinetids in kinety 6, widely spaced kinetids in kinety 1, and an average of ... | 2011 | 21855305 |