Table 1.
Morphometric characterization of Quadristicha subtropica n. sp.
| Charactera | HT | Min | Max | Med | Mean | SD | CV | n |
|---|---|---|---|---|---|---|---|---|
| Body length | 119 | 81 | 120 | 94.9 | 97.3 | 9.4 | 9.7 | 25 |
| Body width | 54 | 30 | 55 | 40.1 | 40.1 | 5.1 | 12.6 | 25 |
| Body length to width, ratio | 2.20 | 2.17 | 2.99 | 2.37 | 2.44 | 0.21 | 8.67 | 25 |
| Adoral zone, length | 36 | 27 | 36 | 30.4 | 30.2 | 1.9 | 6.4 | 25 |
| Adoral zone length to body length, ratio | 0.30 | 0.27 | 0.37 | 0.31 | 0.31 | 0.03 | 8.7 | 25 |
| Number of adoral membranelles | 20 | 19 | 21 | 20 | 19.8 | 0.5 | 2.6 | 25 |
| Number of BC | 1 | 1 | 1 | 1 | 1.0 | 0 | 0 | 25 |
| Number of FC | 3 | 3 | 3 | 3 | 3.0 | 0 | 0 | 25 |
| Number of FVC | 4 | 4 | 4 | 4 | 4.0 | 0 | 0 | 25 |
| Number of PVC | 3 | 3 | 3 | 3 | 3.0 | 0 | 0 | 25 |
| Number of PTVC | 2 | 2 | 2 | 2 | 2.0 | 0 | 0 | 25 |
| Number of TC | 5 | 5 | 5 | 5 | 5.0 | 0 | 0 | 25 |
| Number of cirri in LMR | 19 | 12 | 19 | 14 | 14.7 | 1.7 | 11.6 | 25 |
| Number of cirri in RMR | 13 | 11 | 16 | 13 | 13.2 | 1.3 | 10.1 | 25 |
| Number of CC | 3 | 3 | 3 | 3 | 3.0 | 0 | 0 | 25 |
| Number of DK | 4 | 4 | 4 | 4 | 4.0 | 0 | 0 | 25 |
| Number of bristles in DK1 | 11 | 8 | 12 | 10 | 9.9 | 1.0 | 10.0 | 22 |
| Number of bristles in DK2 | 12 | 11 | 14 | 12 | 12.2 | 0.9 | 7.0 | 22 |
| Number of bristles in DK3 | 13 | 12 | 14 | 12 | 12.5 | 0.7 | 5.4 | 22 |
| Number of bristles in DK4 | 7 | 5 | 7 | 6 | 6.4 | 0.6 | 9.2 | 22 |
| Total number of dorsal cilia | 43 | 37 | 45 | 41 | 40.9 | 2.2 | 5.3 | 22 |
| Distance between cirrus III/2 and undulating membranes | 2 | 1 | 4 | 1.5 | 1.6 | 0.6 | 36.2 | 25 |
| Distance between cirri V/2 and V/3 | 16 | 6 | 16 | 12.1 | 11.2 | 3.4 | 30.3 | 23 |
| Distance between cirri V/2 and VI/2 | 12 | 7 | 15 | 10.9 | 10.6 | 1.8 | 17.4 | 25 |
| Distance between cirri V/3 and V/4 | 14 | 9 | 16 | 10.5 | 10.8 | 1.7 | 15.5 | 25 |
| Distance between cirrus II/1 and anterior end of body | 81 | 55 | 75 | 64.3 | 65.3 | 5.9 | 9.0 | 25 |
| Distance between cirrus IV/3 and anterior end of body | 35 | 26 | 35 | 28.2 | 28.9 | 2.1 | 7.3 | 25 |
| DE value | 0.19 | 0.13 | 0.25 | 0.20 | 0.19 | 0.03 | 14.7 | 25 |
| Number of Ma | 2 | 2 | 2 | 2 | 2.0 | 0 | 0 | 25 |
| Number of Mi | 1 | 1 | 1 | 1 | 1.0 | 0 | 0 | 25 |
| Macronuclear nodule, length | 21 | 10 | 25 | 14.1 | 15.2 | 4.1 | 27.0 | 25 |
| Macronuclear nodule, width | 12 | 6 | 12 | 7.3 | 7.9 | 1.7 | 21.9 | 25 |
| Micronucleus, diameter | 4 | 3 | 5 | 3.1 | 3.4 | 0.5 | 16.1 | 25 |
a
All data are based on protargol-stained specimens; measurements in μm.
CV, coefficient of variation in %; HT, holotype; Max, maximum; Mean, arithmetic mean; Med, median; Min, minimum; n, sample size; no., number; and SD, standard deviation.