期刊名称：Check List - Journal of Species Lists and Distribution
印刷版ISSN：1809-127X
出版年度：2009
卷号：5
期号：03
页码：391-393
出版社：Luís Felipe Toledo
摘要：Pseudotomodon trigonatus (Leybold, 1873) is a
small-sized dipsadid snake (about 450 mm total
length) endemic to Argentina (Figure 1). It is the
single species of the genus, and its geographic
distribution ranges through the western and
southern areas of Monte phytogeographic region
and neighboring areas (Cei 1986; Scrocchi 1997;
Avila 1997; Tiranti and Avila 1997; Avila et al.
1998; Giraudo and Scrocchi 2002). In Chubut
province is known only from Puerto Madryn, in
northwestern Chubut (Scolaro and Cei 1979) and
from an area near Punta Tombo, about 120 km S
of the previous record (Cruz et al. 1999). In a
recent field guide (Scolaro 2005) the geographic
distribution outlined is restrict the species to the
northeast corner of Chubut Province.
