Lista preliminar de los Punctoideos de Rio Grande do Sul, Brasil, con descripción de dos especies nuevas (Mollusca, Gastropoda, Stylommatophora) Sergio Eduardo Miquel 1, Rina Ramírez 2, 3 & José Willibaldo Thomé 3 1 División Invertebrados, Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”. Avenida Angel Gallardo 470, 1405 Buenos Aires, Argentina. E-mail:
[email protected];
[email protected] 2 Museo de Historia Natural, Universidad Nacional Mayor de San Marcos. Apartado 14-0434, Lima-14, Perú. E-mail:
[email protected] 3 Laboratório de Malacologia, FaBio, Pontifícia Universidade Católica do Rio Grande do Sul. Avenida Ipiranga 6681, Prédio12D, S340, 90619-900 Porto Alegre, Rio Grande do Sul, Brasil. E-mail:
[email protected] ABSTRACT. Preliminar list of the Punctoidea from the State of Rio Grande do Sul, Brazilazil, with description of two new species (Mollusca(Mollusca, Gastropodaopoda, Stylommatophora). The partial list of the land snails Punctoidea from the “Centro de Pesquisas e Conservação da Natureza Pró-Mata” (São Francisco de Paula, State of Rio Grande do Sul, Brazil) (CPCN-PM) is presented herein. This list includes seven species, two of them new. The CPCN-PM is located between 600 and 950 m of altitude; it has a temperate super humid to humid climate, with 2,250 mm of annual rainfall and means annual temperature of 14.5ºC; three main phytoecological regions are present –mixed ombrophile forest, dense ombrophile forest and savanna. The taxa found are: Rotadiscus amancaezensis (Hidalgo, 1869), Lilloiconcha tucumana (Hylton Scott, 1963), Radiodiscus cuprinus Fonseca & Thomé, 2000, Radiodiscus tenellus Hylton Scott, 1957, Radiodiscus promatensis sp. nov.., Zilchogyra gordurasensis (Thiele, 1927) and Zilchogyra zulmae sp.