Plectostoma beddomei (Smith, 1904)
Distribution:
Bidi Mountain, Sarawak, Malaysia (1.406624 ,110.150614)
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Plectostoma beddomei (Smith, 1904)
Plectostoma beddomei (Smith, 1904)
Morphology:Description by Smith (1904)
"Testa minma, angustissime perforata, rufescens, dextrorsa, pyramidalis; anfractus 6 convexi, lamellis tenuissimis, subremotis, obliquis, in medio undulatis, ornati, supremi 1-2 laeves, saturate rufescentes, ultimus infra carino-cristatus, lamellis confertis instructus, antice solutus, retrorsus, et sursum contortus; apertura subcircularis, intus pallide rufescens; peristoma duplex, albidum, margine interno tubaeformi, expanso, externo aliquanto angusto, dextrorsum versus spiram interrupto. long. 1.75, diam. max. 2.25mm.; apertura cum perist. 1 m. lata"