First record of Tardigrada from São Tomé (Gulf of Guinea, Western Equatorial Africa) and description of Pseudechiniscus santomensis sp. nov. (Heterotardigrada: Echiniscidae)
Author
Fontoura, Paulo
Author
Pilato, Giovanni
Author
Lisi, Oscar
text
Zootaxa
2010
2564
31
42
journal article
47740
10.5281/zenodo.197214
f7d149e3-992a-435c-bbeb-760858357b7b
1175-5326
197214
TABLE 1. Measurements (in µm) of the largest (holotype) and the smallest specimens, and mean values (mean; standard deviation; number of specimens (n); minimum and maximum) of P. santomensis sp. nov. (% bo = percentage of the given structure to the body length; % sc = percentage of the given structure to the scapular plate length).| Character µm | %bo | %sc | µm | %bo | %sc | µm | %bo | %sc |
|---|
| Body length 168 | - | - | 119 | - | - | 143.6±15.2(21) 119–168 | - | - |
|---|
| Scapular plate length 26.2 | 15.6 | - | - | - | - | 23.0±2.2(15) 18.1–26.2 | 15.9±1.6(13) 13.8–18.6 | - |
|---|
| Internal buccal 9.4 cirrus | 5.6 | 35.9 | 6.1 | 5.1 | - | 7.8±0.9(22) 6.1–9.8 | 5.4±0.1(21) 4.6–6.7 | 35.1±3.8(14) 28.9–44.7 |
|---|
| External buccal 12.8 cirrus | 7.6 | 48.9 | 7.2 | 6.1 | - | 11.1±1.6(22) 7.2–14.4 | 7.8±1.0(21) 5.7–9.6 | 50.0±5.9(14) 39.9–55.7 |
|---|
| Cephalic papilla 4.8 | 2.9 | 18.3 | 3.7 | 3.1 | - | 4.3±0.45(22) 3.5–5.4 | 3.0±0.3(20) 2.4–3.6 | 19.0±1.6(14) 15.6–22.7 |
|---|
| Clava 4.8 | 2.9 | 18.3 | 3.3 | 2.8 | - | 4.1±0.6(22) 2.7–5.2 | 2.8±0.4(20) 2.3–3.5 | 18.2±3.5(15) 12.3–24.3 |
|---|
| Cirrus A 18.7 | 11.1 | 71.4 | 10.5 | 8.8 | - | 17.4±2.3(21) 10.5–21.8 | 12.0±1.4(19) 8.8–14.2 | 77.9±7.7(14) 67.6–96.8 |
|---|
| Pseudosegmental 4.2 plate projections | 2.5 | 16.0 | 1.0 | 0.8 | - | 3.6±1.2(20) 1.4–6.3 | 2.5±0.8(18) 1.1–4.1 | 16.8±6.7(15) 6.1–29.4 |
|---|
| Internal claws I 9.0 | 5.4 | 34.4 | - | - | - | 8.0±0.7(14) 6.8–9.0 | 5.3±0.2(13) 4.9–5.6 | 34.4±1.9(9) 30.8–37.9 |
|---|
| External claws I 8.0 | 4.8 | 30.5 | 5.5 | 4.6 | - | 7.1±0.8(15) 5.5–8.2 | 5.0±0.6(15) 3.8–6.3 | 32.3±5.5(9) 23.7–43.1 |
|---|
| Internal claws II 8.4 | 5.0 | 32.1 | - | - | - | 7.8±0.4(13) 7.2–8.4 | 5.3±0.3(12) 5.0–6.2 | 34.0±3.4(11) 30.4–42.5 |
|---|
| External claws II 8.0 | 4.8 | 30.5 | - | - | - | 7.2±0.7(14) 5.4–8.1 | 4.9±0.4(13) 4.3–5.9 | 32.5±3.8(10) 27.3–40.3 |
|---|
| Internal claws III - | - | - | - | - | - | 7.4±0.5(13) 6.3–8.0 | 5.1±0.3(11) 4.7–5.6 | 32.5±2.7(9) 28.5–37.0 |
|---|
| External claws III 8.0 | 4.8 | 30.5 | - | - | - | 7.0±0.6(15) 6.1–7.9 | 4.7±0.4(13) 4.2–5.6 | 31.4±3.5(11) 25.7–38.7 |
|---|
| Internal claws IV 9.2 | 5.5 | 35.1 | 6.7 | 5.6 | - | 8.0±0.7(11) 6.8–9.0 | 5.6±0.4(10) 4.7–6.0 | 37.6±3.8(7) 34.6–45.3 |
|---|
| External claws IV 8.5 | 5.1 | 32.4 | 6.0 | 5.0 | - | 7.4±0.7(13) 6.7–9.2 | 5.2±0.4(11) 5.1–6.6 | 34.1±3.7(8) 29.8–41.4 |
|---|
| Papilla on legs IV 2.2 | 1.3 | 8.4 | 1.8 | 1.5 | - | 2.1±0.2(22) 1.6–2.3 | 1.4±0.2(20) 1.2–1.8 | 9.1±0.7(15) 7.9–10.5 |
|---|