Resumen

ZALESKI, M.  y  CLAPS, C.. FIRST RECORD OF SOME PERITRICHS CILIATES FOR SAN MIGUEL DEL MONTE POND (BUENOS AIRES, ARGENTINA). Gayana (Concepc.) [online]. 2001, vol.65, n.1, pp. 27-36. ISSN 0717-6538.  doi: 10.4067/S0717-65382001000100007.

Peritrichs attached to submerged macrophytes, filamentous chlorophytes and debries have been found in San Miguel del Monte pond (Buenos Aires province, Argentina) during the period March 1998- March 1999. Specimens were identified, illustrated and measured alive. Fourteen species of Subclass Peritrichia new for the country are described, illustrated and commented: Epistylis hentscheli, E. tubificis, E. vestita, Opercularia elongata, Cothurnia annulata, Cothurniopsis valvata, Pyxicola limbata, Thuricola innixa, Th. kellicotiana, Vaginicola attenuata, Vorticella picta, V. pulchella, V. rotunda and Zoothamnium ramosissimum

Palabras clave : Ciliates; peritrichs; first record; pampasic pond; San Miguel del Monte; Argentina.