TY  - JOUR 
T1  - The genus Plesiophysa, with a redescription of P. ornata (Haas, 1938) (Gastropoda: Planorbidae)
JO  - Brazilian Journal of Biology
A1  - PARAENSE, W. L.
SN  - 1519-6984
UL  - 10.1590/S1519-69842002000200017
VL  - 62 
Y1  - 2002
PB  - Brasil 
ER  -