%0 Journal Article %T Neodrassex, a new genus of the Leptodrassex group (Araneae, Gnaphosidae) from South America %A Ott %A Ricardo %J Iheringia. S¨¦rie Zoologia %D 2012 %I Funda??o Zoobot?nica do Rio Grande do Sul %R 10.1590/S0073-47212012000300015 %X the new genus neodrassex is proposed to include two new species of gnaphosidae from brazil. neodrassex aureus sp. nov. is described from amazonas, paran¨¢ and rio grande do sul states, and n. iguatemi sp. nov. is described from paran¨¢ state. neodrassex gen. nov. is characterized by small size, pale coloration, large anterior median eyes surrounded by black pigmentation, absence of a dorsal abdominal scutum in males and by the cheliceral dentition with 2-3 teeth on the promargin and 2-4 on the retromargin. the new genus is tentatively placed at the leptodrassex group. %K neotropical region %K brazil %K spiders %K taxonomy. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0073-47212012000300015&lng=en&nrm=iso&tlng=en