Table 2.
Measurements [in µm] and pt values of selected morphological structures of individuals of Paramacrobiotus gadabouti sp. nov. mounted in Hoyer’s medium (N—number of specimens/structures measured; RANGE refers to the smallest and the largest structure among all measured specimens; SD—standard deviation, pt—ratio of the length of a given structure to the length of the buccal tube expressed as a percentage).
| CHARACTER | N | RANGE | MEAN | SD | Holotype | ||||
|---|---|---|---|---|---|---|---|---|---|
| µm | pt | µm | pt | µm | pt | µm | pt | ||
| Body length | 20 | 435–783 | 588 | 95 | 594 | ||||
| Buccopharyngeal tube | |||||||||
| Buccal tube length | 20 | 44.7–64.5 | 54.1 | 4.5 | 50.0 | ||||
| Stylet support insertion point | 20 | 36.2–49.8 | 76.1–81.0 | 42.4 | 78.3 | 3.4 | 1.2 | 39.7 | 79.4 |
| Buccal tube external width | 20 | 9.1–15.4 | 20.0–27.9 | 12.9 | 23.7 | 1.7 | 1.9 | 11.9 | 23.7 |
| Buccal tube internal width | 20 | 6.4–10.8 | 14.2–19.6 | 9.2 | 17.0 | 1.2 | 1.3 | 8.9 | 17.7 |
| Ventral lamina length | 17 | 23.9–38.6 | 53.4–60.6 | 30.8 | 57.4 | 3.6 | 2.2 | 28.4 | 56.7 |
| Placoid lengths | |||||||||
| Macroplacoid 1 | 20 | 7.7–12.6 | 17.1–21.8 | 10.4 | 19.1 | 1.4 | 1.3 | 8.8 | 17.6 |
| Macroplacoid 2 | 20 | 7.0–11.3 | 15.4–19.8 | 9.6 | 17.7 | 1.3 | 1.3 | 8.3 | 16.5 |
| Macroplacoid 3 | 20 | 8.4–14.9 | 18.7–26.4 | 12.5 | 22.9 | 1.7 | 1.8 | 11.4 | 22.8 |
| Microplacoid | 20 | 3.3–5.1 | 6.7–9.3 | 4.2 | 7.9 | 0.5 | 0.8 | 4.7 | 9.3 |
| Macroplacoid row | 20 | 27.4–41.9 | 60.7–69.8 | 35.1 | 64.7 | 3.9 | 2.8 | 32.3 | 64.6 |
| Placoid row | 20 | 34.9–53.6 | 77.7–87.4 | 44.8 | 82.6 | 4.8 | 3.3 | 41.8 | 83.5 |
| Claw I heights | |||||||||
| External primary branch | 19 | 11.3–20.5 | 24.0–31.8 | 15.1 | 27.6 | 2.0 | 1.9 | 14.2 | 28.4 |
| External secondary branch | 19 | 9.2–17.1 | 19.2–26.5 | 11.8 | 21.6 | 1.6 | 1.5 | 11.6 | 23.2 |
| Internal primary branch | 19 | 11.7–19.1 | 23.3–29.6 | 14.2 | 26.2 | 1.7 | 1.7 | 13.8 | 27.6 |
| Internal secondary branch | 19 | 9.2–15.2 | 16.9–23.6 | 11.3 | 20.8 | 1.4 | 1.6 | 10.4 | 20.8 |
| Claw II heights | |||||||||
| External primary branch | 19 | 11.8–23.9 | 24.5–37.1 | 15.5 | 28.4 | 2.5 | 2.8 | 14.7 | 29.3 |
| External secondary branch | 19 | 8.1–16.2 | 13.9–25.5 | 11.9 | 21.9 | 2.1 | 3.2 | 11.4 | 22.7 |
| Internal primary branch | 19 | 11.8–20.0 | 23.6–31.0 | 14.5 | 26.5 | 1.9 | 1.8 | 11.8 | 23.6 |
| Internal secondary branch | 19 | 9.6–15.4 | 19.7–24.2 | 11.8 | 21.7 | 1.5 | 1.4 | 10.7 | 21.4 |
| Claw III heights | |||||||||
| External primary branch | 19 | 12.9–21.6 | 26.8–33.5 | 15.9 | 29.3 | 1.9 | 1.5 | 14.3 | 28.6 |
| External secondary branch | 19 | 9.7–15.2 | 18.5–27.2 | 12.3 | 22.6 | 1.5 | 2.0 | 11.1 | 22.2 |
| Internal primary branch | 19 | 12.1–20.3 | 24.0–31.5 | 14.7 | 27.1 | 1.8 | 1.8 | 14.0 | 27.9 |
| Internal secondary branch | 19 | 10.1–17.1 | 18.6–26.5 | 11.8 | 21.6 | 1.6 | 2.0 | 11.4 | 22.7 |
| Claw IV heights | |||||||||
| Anterior primary branch | 19 | 11.7–22.8 | 26.2–35.4 | 16.7 | 30.7 | 2.1 | 2.2 | 15.7 | 31.4 |
| Anterior secondary branch | 19 | 8.7–19.2 | 17.7–29.8 | 13.0 | 23.8 | 2.3 | 2.9 | 11.4 | 22.7 |
| Posterior primary branch | 19 | 13.4–23.1 | 27.3–35.8 | 16.3 | 30.0 | 2.2 | 2.2 | 14.3 | 28.6 |
| Posterior secondary branch | 19 | 10.7–17.0 | 21.6–29.0 | 12.9 | 23.9 | 1.4 | 2.0 | 12.6 | 25.1 |
pt values are in italic.