,Apex form,Apical spire form,Basal spire form,Tuba form,Aperture view,Distribution,no,Rib shape,Rib thickness,Size
Plectostoma_christae,2 - moderately convex,2 - equilateral,2 - ovoid,1 - regular,4 - right,Non-Borneo,10,1 - straight,2 - thin,2.41
Plectostoma_siphonostomum,3 - distinctly convex,2 - equilateral,3 - conical,1 - regular,4 - right,Non-Borneo,26,1 - straight,2 - thin,1.157
Plectostoma_relauensis,2 - moderately convex,1 - depressed,2 - ovoid,3 - twist,1 - front,Non-Borneo,21,1 - straight,2 - thin,1.8
Plectostoma_crassipupa,2 - moderately convex,1 - depressed,2 - ovoid,2 - distort,4 - right,Non-Borneo,11,1 - straight,2 - thin,0.889
Plectostoma_kubuensis,2 - moderately convex,1 - depressed,2 - ovoid,3 - twist,2 - left,Non-Borneo,16,1 - straight,2 - thin,1.7
Plectostoma_laidlawi,3 - distinctly convex,1 - depressed,3 - conical,3 - twist,2 - left,Non-Borneo,17,1 - straight,2 - thin,2.37
Plectostoma_ikanensis,2 - moderately convex,1 - depressed,3 - conical,3 - twist,1 - front,Non-Borneo,6,1 - straight,2 - thin,1.6
Plectostoma_sinyumensis,2 - moderately convex,1 - depressed,1 - ellipsoid,1 - regular,3 - back,Non-Borneo,25,1 - straight,2 - thin,1.481
Plectostoma_umbilicatum,2 - moderately convex,2 - equilateral,2 - ovoid,1 - regular,3 - back,Non-Borneo,31,1 - straight,2 - thin,2.3
Plectostoma_davisoni,2 - moderately convex,1 - depressed,2 - ovoid,3 - twist,1 - front,Non-Borneo,12,1 - straight,2 - thin,1.713
Plectostoma_tenggekensis,2 - moderately convex,1 - depressed,3 - conical,3 - twist,2 - left,Non-Borneo,27,3 - single humped,2 - thin,1.42
Plectostoma_salpidomon,3 - distinctly convex,2 - equilateral,2 - ovoid,3 - twist,2 - left,Non-Borneo,1,2 - slightly curved,2 - thin,2.9
Plectostoma_senex,3 - distinctly convex,2 - equilateral,2 - ovoid,2 - distort,4 - right,Non-Borneo,24,2 - slightly curved,2 - thin,3.116
Plectostoma_retrovertens,2 - moderately convex,1 - depressed,2 - ovoid,3 - twist,3 - back,Non-Borneo,22,1 - straight,2 - thin,2.78
Plectostoma_grandispinosum,2 - moderately convex,1 - depressed,2 - ovoid,3 - twist,2 - left,Borneo,54,4 - single looped,1 - thick,7.664
Plectostoma_stellasubis,3 - distinctly convex,1 - depressed,3 - conical,3 - twist,3 - back,Borneo,53,4 - single looped,1 - thick,4
Plectostoma_concinnum,3 - distinctly convex,3 - oblong,3 - conical,3 - twist,2 - left,Borneo,37,3 - single humped,1 - thick,1.864
Plectostoma_pumilio,3 - distinctly convex,1 - depressed,3 - conical,3 - twist,2 - left,Borneo,64,2 - slightly curved,2 - thin,1.8
Plectostoma_pulchellum,3 - distinctly convex,1 - depressed,3 - conical,3 - twist,2 - left,Borneo,46,4 - single looped,1 - thick,1.9
Plectostoma_austeni,3 - distinctly convex,1 - depressed,3 - conical,3 - twist,2 - left,Borneo,62,2 - slightly curved,2 - thin,1.7
Plectostoma_wallacei_busauense,3 - distinctly convex,1 - depressed,3 - conical,3 - twist,2 - left,Borneo,71,3 - single humped,2 - thin,0.8