00476naa a2200193 a 450000100080000000500110000800800410001910000190006024500410007926000090012065000130012965000120014265000140015465300170016865300120018565300120019770000210020977300520023018001312017-04-24       1970    bl ---       0--  u    #d1 aBONETTO, A. A.  aLas nayades de la cuenca del Guaiba.  c1970  ataxonomy  aMolusco  aTaxonomia  aGuaiba Basin  aMollusk  aNajades1 aMANSUR, M. C. D.  tActa Zoologica Lilloanagv.27, p.241-260, 1970.