| comparative shell morphology of lymnaea (bullastra) cumingiana (pulmonata: lymnaeidae) and related taxa in the indo-pacific region. | comparative shell morphology using both quantitative and qualitative parameters was employed to investigate the taxonomic relationship between the endemic philippine species, lymnaea (bullastra) cumingiana and five other lymnaeid "species" in the indo-pacific region, namely: l. (radix) quadrasi (philippines). l. (radix) rubiginosa (indonesia), l. (radix) rubiginosa (thailand), l. (radix) viridis (guam) and l. (radix) viridis (hong kong). fifty randomly chosen adult specimens of each species were ... | 1993 | 8160068 |