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Table 1.

Comparative measurements of key diagnostic traits of Torrestrongylus torrei and T. tetradorsalis. All measurements are in millimeters.

Measurements Torrestrongylus torrei
Torrestrongylus tetradorsalis
Length of body 6.2 5.6 7.6–9.2 6.9–8.4
Maximum width 0.17–0.23 0.160–0.200
Cephalic vesicle Length 0.056 0.060–0.088 0.050–0.080
Width 0.096 0.130–0.160 0.0.110–0.130
Cervical alae Length 0.096 0.050–0.090 0.060–0.080
Width 0.026–0.027 0.010–0.020 0.010–0.020
Nerve ring 0.160 0.260–0.350 0.210–0.280
Excretory pore 0.310–0.400 0.310–0.360
Deirids 0.330–0.440 0.350–0.410
Length of esophagus 0.570–0.680 0.430–0.560
Vulva to anterior end 4.8 5.31–6.45
Eggs Length 0.067 0.081–0.0110
Width 0.027 0.070–0.080
Tail 0.060–0.093
Length of terminal spines 0.040
Dorsal ray Double bifurcation plus unpaired end Double bifurcation
Spicules 0.147 0.120–0.150
Trifurcated Bifurcated

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