Table 1 Measurements and pt values of selected morphological structures of Milnesium argentinum sp. nov. mounted in Hoyer's medium
Character | N | Range | Mean | SD | Holotype | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
μm | pt | μm | pt | μm | pt | μm | pt | ||||||
Body length | 12 | 445 | - | 890 | 921 | - | 1,290 | 707 | 1,093 | 141 | 123 | 890 | 1,211 |
Peribuccal papillae length | 10 | 6.7 | - | 12.4 | 14.1 | - | 18.6 | 10.3 | 16.3 | 1.7 | 1.1 | 11.6 | 15.8 |
Lateral papillae length | 9 | 5.5 | - | 11.4 | 9.4 | - | 17.6 | 9.0 | 14.1 | 1.9 | 2.3 | ? | ? |
Buccal tube | |||||||||||||
Length | 12 | 47.6 | - | 74.2 | - | 64.3 | - | 8.6 | - | 73.5 | - | ||
Stylet support insertion point | 12 | 35.1 | - | 52.3 | 70.0 | - | 73.7 | 46.0 | 71.7 | 5.8 | 1.4 | 52.3 | 71.2 |
Anterior width | 12 | 16.0 | - | 29.5 | 30.3 | - | 39.8 | 22.3 | 34.5 | 4.3 | 3.4 | 29.1 | 39.6 |
Standard width | 12 | 13.0 | - | 24.0 | 24.2 | - | 32.3 | 17.7 | 27.4 | 3.5 | 2.8 | 22.0 | 29.9 |
Posterior width | 12 | 12.2 | - | 24.5 | 23.1 | - | 33.6 | 17.8 | 27.6 | 3.9 | 3.4 | 24.5 | 33.3 |
Standard width/length ratio | 12 | 24% | - | 32% | - | 27% | - | 3% | - | 30% | - | ||
Posterior/anterior width ratio | 12 | 76% | - | 87% | - | 80% | - | 4% | - | 84% | - | ||
Claw 1 lengths | |||||||||||||
External primary branch | 10 | 12.4 | - | 20.5 | 24.3 | - | 28.6 | 16.7 | 26.3 | 2.6 | 1.5 | 20.5 | 27.9 |
External base + secondary branch | 9 | 10.5 | - | 17.8 | 22.0 | - | 25.2 | 14.4 | 23.0 | 2.4 | 1.2 | 17.8 | 24.2 |
External spur | 8 | 3.7 | - | 5.8 | 7.1 | - | 8.2 | 4.8 | 7.7 | 0.8 | 0.4 | ? | ? |
Internal primary branch | 11 | 12.9 | - | 18.7 | 21.1 | - | 28.9 | 15.8 | 24.8 | 2..1 | 2.0 | 17.4 | 23.7 |
Internal base + secondary branch | 10 | 11.1 | - | 18.2 | 21.1 | - | 26.1 | 14.8 | 23.2 | 2.5 | 1.5 | 17.3 | 23.5 |
Internal spur | 10 | 3.4 | - | 5.7 | 7.1 | - | 8.8 | 5.0 | 7.8 | 0.9 | 0.6 | 5.6 | 7.6 |
Claw 2 lengths | |||||||||||||
External primary branch | 10 | 14.3 | - | 20.5 | 24.7 | - | 28.5 | 17.8 | 26.6 | 2.0 | 1.3 | 20.5 | 27.9 |
External base + secondary branch | 12 | 11.3 | - | 17.9 | 22.1 | - | 26.3 | 15.2 | 23.7 | 2.0 | 1.3 | 17.9 | 24.4 |
External spur | 6 | 2.8 | - | 5.5 | 5.9 | - | 8.5 | 4.0 | 6.7 | 1.0 | 1.0 | ? | ? |
Internal primary branch | 10 | 12.6 | - | 20.8 | 23.1 | - | 30.5 | 17.2 | 26.4 | 2.8 | 2.5 | 20.8 | 28.3 |
Internal base + secondary branch | 11 | 11.6 | - | 16.5 | 21.2 | - | 25.2 | 14.8 | 22.5 | 1.6 | 1.2 | 16.1 | 21.9 |
Internal spur | 9 | 3.8 | - | 6.3 | 6.6 | - | 8.8 | 5.3 | 7.9 | 0.9 | 0.8 | 6.3 | 8.6 |
Claw 3 lengths | |||||||||||||
External primary branch | 11 | 12.8 | - | 22.3 | 23.4 | - | 30.3 | 17.7 | 27.3 | 3.2 | 2.1 | 22.3 | 30.3 |
External base + secondary branch | 10 | 11.9 | - | 17.1 | 22.5 | - | 25.1 | 14.9 | 23.3 | 2.1 | 0.9 | 17.1 | 23.3 |
External spur | 7 | 3.3 | - | 5.3 | 5.9 | - | 7.6 | 4.5 | 6.9 | 0.8 | 0.6 | ? | ? |
Internal primary branch | 11 | 13.9 | - | 21.4 | 24.4 | - | 28.8 | 17.5 | 27.0 | 2.6 | 1.5 | 20.7 | 28.2 |
Internal base + secondary branch | 10 | 12.7 | - | 17.8 | 20.3 | - | 25.7 | 15.2 | 23.1 | 1.9 | 1.4 | 17.2 | 23.4 |
Internal spur | 8 | 4.2 | - | 6.9 | 6.8 | - | 9.9 | 5.7 | 8.5 | 1.0 | 1.1 | 6.2 | 8.4 |
Claw 4 lengths | |||||||||||||
Anterior primary branch | 10 | 14.7 | - | 24.3 | 29.9 | - | 33.8 | 20.5 | 31.8 | 3.6 | 1.3 | 24.2 | 32.9 |
Anterior base + secondary branch | 11 | 12.2 | - | 20.3 | 24.4 | - | 28.8 | 16.8 | 26.0 | 2.7 | 1.4 | 20.3 | 27.6 |
Anterior spur | 11 | 3.8 | - | 7.9 | 8.0 | - | 10.8 | 6.3 | 9.7 | 1.2 | 0.8 | 7.3 | 9.9 |
Posterior primary branch | 11 | 13.5 | - | 25.8 | 28.4 | - | 36.4 | 21.3 | 33.0 | 4.0 | 2.7 | 25.4 | 34.6 |
Posterior base + secondary branch | 11 | 12.8 | - | 20.2 | 25.0 | - | 28.3 | 17.3 | 26.8 | 2.7 | 1.0 | 20.2 | 27.5 |
Posterior spur | 8 | 3.3 | - | 6.2 | 6.9 | - | 8.4 | 4.9 | 7.8 | 1.0 | 0.6 | 6.2 | 8.4 |