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Table 6 Measurements [in μm] of selected morphological structures of individuals of Macrobiotus pallarii Maucci, 1954 from the topotypic population (IT.337) mounted in Hoyer’s medium (N–number of specimens/structures measured, RANGE refers to the smallest and the largest structures among all measured specimens; SD–standard deviation)

From: Integrative taxonomy resolves species identities within the Macrobiotus pallarii complex (Eutardigrada: Macrobiotidae)

CHARACTER N RANGE MEAN SD
μm pt μm pt μm pt
Body length 9 421 – 617 1005 – 1413 536 1169 77 136
Buccal tube
 Buccal tube length 8 41.7 – 48.1 44.9 2.6
 Stylet support insertion point 8 32.5 – 37.3 77.1 – 79.4 35.0 77.9 1.9 0.8
 Buccal tube external width 8 5.9 – 7.2 13.9 – 16.6 6.8 15.2 0.5 1.0
 Buccal tube internal width 8 3.8 – 5.1 9.1 – 11.8 4.7 10.4 0.4 0.9
 Ventral lamina length 8 22.6 – 28.2 51.4 – 59.4 25.3 56.4 1.8 2.8
Placoid lengths
 Macroplacoid 1 8 12.6 – 16.1 28.5 – 34.6 14.3 31.9 1.3 2.1
 Macroplacoid 2 8 7.9 – 10.5 18.5 – 21.9 9.0 20.1 0.8 1.1
 Microplacoid 8 3.3 – 5.1 7.5 – 11.8 4.2 9.3 0.6 1.4
 Macroplacoid row 8 21.8 – 27.0 52.0 – 60.8 25.0 55.7 1.8 2.8
 Placoid row 8 26.6 – 32.8 61.3 – 75.6 30.2 67.4 2.1 4.2
Claw 1 heights
 External primary branch 8 9.9 – 12.7 23.6 – 27.7 11.3 24.9 1.1 1.5
 External secondary branch 7 7.9 – 10.0 18.2 – 23.1 8.6 19.3 0.8 1.7
 Internal primary branch 8 8.4 – 12.7 20.1 – 25.4 10.5 23.0 1.4 1.8
 Internal secondary branch 6 7.1 – 8.6 16.6 – 19.9 7.7 17.6 0.6 1.2
Claw 2 heights
 External primary branch 8 10.1 – 13.8 23.5 – 30.3 11.5 25.2 1.4 2.3
 External secondary branch 8 8.4 – 10.3 18.1 – 23.8 9.1 20.3 0.8 1.8
 Internal primary branch 8 9.3 – 12.4 21.7 – 27.7 10.7 23.4 1.3 2.2
 Internal secondary branch 8 7.4 – 9.8 17.0 – 22.6 8.3 18.6 0.8 1.9
Claw 3 heights
 External primary branch 8 9.9 – 13.5 22.5 – 30.9 11.7 25.8 1.5 2.8
 External secondary branch 8 7.7 – 10.4 17.7 – 23.3 9.1 20.1 1.1 2.0
 Internal primary branch 8 8.7 – 12.6 20.9 – 29.1 10.9 24.1 1.5 2.7
 Internal secondary branch 8 7.5 – 9.8 17.3 – 22.6 8.3 18.6 0.9 1.9
Claw 4 heights
 Anterior primary branch 7 11.7 – 14.3 26.6 – 30.6 13.0 28.6 0.9 1.7
 Anterior secondary branch 6 8.8 – 10.2 19.3 – 22.2 9.5 21.1 0.5 1.1
 Posterior primary branch 6 12.5 – 16.2 29.5 – 34.6 14.3 31.5 1.4 2.0
 Posterior secondary branch 3 9.9 – 10.5 22.1 – 24.2 10.3 23.0 0.3 1.1