Table 6 in Integrative taxonomy reveals four new species in the superdiverse genus Macrobiotus (Tardigrada: Eutardigrada: Macrobiotidae)
Authors: Stec, Daniel
Type: Dataset
Published: 2026-05-18
Keywords: Biodiversity, Taxonomy

<p class="zenodo-description-adequate-caption"><b>Table 6.</b> Measurements [in μm] and <i>pt</i> values [in %] of selected morphological structures of individuals of <i>Macrobiotus surmaczi</i> sp. nov.; specimens 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.</p><table><tbody><tr><th><b>Character</b></th><th><b>N</b></th><th><b>Range</b></th><th><b>Mean</b></th><th><b>SD</b></th><th><b>Holotype</b></th></tr></tbody><tbody><tr><th></th><td></td><td><b>µm</b></td><td><i>pt</i></td><td><b>µm</b></td><td><i>pt</i></td><td><b>µm</b></td><td><i>pt</i></td><td><b>µm</b></td><td><i>pt</i></td></tr><tr><th>Body length</th><td>24</td><td>235 – 365</td><td><i>909 – 1436</i></td><td>313</td><td><i>1137</i></td><td>33</td><td><i>133</i></td><td>365</td><td><i>1352</i></td></tr><tr><th>Buccal tube</th></tr><tr><th>Buccal tube length</th><td>24</td><td>24.5 – 31.6</td><td>–</td><td>27.6</td><td><i>–</i></td><td>2.1</td><td><i>–</i></td><td>27.0</td><td><i>–</i></td></tr><tr><th>Stylet support insertion point</th><td>24</td><td>16.1 – 21.3</td><td><i>64.2 – 67.7</i></td><td>18.3</td><td><i>66.4</i></td><td>1.6</td><td><i>0.9</i></td><td>17.7</td><td><i>65.6</i></td></tr><tr><th>Buccal tube external width</th><td>24</td><td>2.4 – 4.0</td><td><i>9.8 – 15.6</i></td><td>3.3</td><td><i>12.0</i></td><td>0.4</td><td><i>1.2</i></td><td>3.6</td><td><i>13.3</i></td></tr><tr><th>Buccal tube internal width</th><td>24</td><td>1.3 – 2.4</td><td><i>5.3 – 9.0</i></td><td>1.9</td><td><i>7.0</i></td><td>0.3</td><td><i>0.9</i></td><td>2.0</td><td><i>7.4</i></td></tr><tr><th>Ventral lamina length</th><td>24</td><td>12.8 – 17.4</td><td><i>51.0 – 56.0</i></td><td>14.8</td><td><i>53.6</i></td><td>1.4</td><td><i>1.6</i></td><td>14.1</td><td><i>52.2</i></td></tr><tr><th>Placoid lengths</th></tr><tr><th>Macroplacoid 1</th><td>24</td><td>4.9 – 8.8</td><td><i>19.5 – 27.8</i></td><td>6.6</td><td><i>23.9</i></td><td>0.9</td><td><i>2.3</i></td><td>6.7</td><td><i>24.8</i></td></tr><tr><th>Macroplacoid 2</th><td>24</td><td>3.1 – 5.1</td><td><i>12.7 – 16.8</i></td><td>4.0</td><td><i>14.6</i></td><td>0.5</td><td><i>1.3</i></td><td>4.3</td><td><i>15.9</i></td></tr><tr><th>Microplacoid</th><td>24</td><td>1.1 – 2.2</td><td><i>4.0 – 7.6</i></td><td>1.7</td><td><i>6.0</i></td><td>0.3</td><td><i>1.0</i></td><td>1.9</td><td><i>7.0</i></td></tr><tr><th>Macroplacoid row</th><td>24</td><td>8.6 – 14.7</td><td><i>35.1 – 48.9</i></td><td>11.6</td><td><i>41.9</i></td><td>1.3</td><td><i>3.3</i></td><td>11.7</td><td><i>43.3</i></td></tr><tr><th>Placoid row</th><td>24</td><td>10.8 – 17.5</td><td><i>44.1 – 58.2</i></td><td>13.8</td><td><i>49.8</i></td><td>1.6</td><td><i>3.8</i></td><td>14.0</td><td><i>51.9</i></td></tr><tr><th>Claw 1 heights</th></tr><tr><th>External primary branch</th><td>20</td><td>8.3 – 12.1</td><td><i>31.1 – 42.7</i></td><td>9.8</td><td><i>35.7</i></td><td>0.9</td><td><i>2.9</i></td><td>10.0</td><td><i>37.0</i></td></tr><tr><th>External secondary branch</th><td>19</td><td>6.6 – 10.0</td><td><i>24.4 – 33.6</i></td><td>8.0</td><td><i>29.2</i></td><td>0.9</td><td><i>2.6</i></td><td>7.5</td><td><i>27.8</i></td></tr><tr><th>Internal primary branch</th><td>21</td><td>7.3 – 10.7</td><td><i>28.8 – 38.3</i></td><td>9.1</td><td><i>33.3</i></td><td>0.8</td><td><i>2.7</i></td><td>9.5</td><td><i>35.2</i></td></tr><tr><th>Internal secondary branch</th><td>20</td><td>6.3 – 8.5</td><td><i>23.4 – 32.0</i></td><td>7.3</td><td><i>26.9</i></td><td>0.6</td><td><i>2.1</i></td><td>7.1</td><td><i>26.3</i></td></tr><tr><th>Claw 2 heights</th></tr><tr><th>External primary branch</th><td>21</td><td>8.7 – 12.4</td><td><i>30.4 – 42.3</i></td><td>10.1</td><td><i>36.8</i></td><td>1.0</td><td><i>3.1</i></td><td>10.6</td><td><i>39.3</i></td></tr><tr><th>External secondary branch</th><td>20</td><td>6.9 – 9.9</td><td><i>25.4 – 36.1</i></td><td>8.5</td><td><i>30.8</i></td><td>0.9</td><td><i>3.0</i></td><td>8.9</td><td><i>33.0</i></td></tr><tr><th>Internal primary branch</th><td>20</td><td>8.0 – 12.2</td><td><i>26.8 – 40.0</i></td><td>9.4</td><td><i>34.5</i></td><td>1.0</td><td><i>3.2</i></td><td>9.9</td><td><i>36.7</i></td></tr><tr><th>Internal secondary branch</th><td>20</td><td>6.6 – 9.4</td><td><i>23.4 – 33.2</i></td><td>7.6</td><td><i>27.9</i></td><td>0.8</td><td><i>2.6</i></td><td>7.0</td><td><i>25.9</i></td></tr><tr><th>Claw 3 heights</th></tr><tr><th>External primary branch</th><td>20</td><td>8.7 – 12.5</td><td><i>31.1 – 42.4</i></td><td>10.3</td><td><i>37.1</i></td><td>1.0</td><td><i>3.2</i></td><td>?</td><td><i>?</i></td></tr><tr><th>External secondary branch</th><td>17</td><td>6.8 – 10.5</td><td><i>25.4 – 37.6</i></td><td>8.6</td><td><i>31.4</i></td><td>1.0</td><td><i>3.2</i></td><td>?</td><td><i>?</i></td></tr><tr><th>Internal primary branch</th><td>22</td><td>8.2 – 12.3</td><td><i>30.1 – 41.2</i></td><td>9.6</td><td><i>35.0</i></td><td>1.0</td><td><i>2.8</i></td><td>9.9</td><td><i>36.7</i></td></tr><tr><th>Internal secondary branch</th><td>21</td><td>6.8 – 9.6</td><td><i>23.4 – 34.0</i></td><td>7.8</td><td><i>28.6</i></td><td>0.8</td><td><i>2.2</i></td><td>7.8</td><td><i>28.9</i></td></tr><tr><th>Claw 4 heights</th></tr><tr><th>Anterior primary branch</th><td>20</td><td>9.4 – 14.1</td><td><i>35.5 – 46.4</i></td><td>11.1</td><td><i>40.9</i></td><td>1.1</td><td><i>3.5</i></td><td>11.0</td><td><i>40.7</i></td></tr><tr><th>Anterior secondary branch</th><td>17</td><td>7.6 – 12.0</td><td><i>28.6 – 38.7</i></td><td>9.3</td><td><i>34.2</i></td><td>1.0</td><td><i>3.3</i></td><td>8.7</td><td><i>32.2</i></td></tr><tr><th>Posterior primary branch</th><td>12</td><td>9.7 – 12.9</td><td><i>36.5 – 48.4</i></td><td>11.6</td><td><i>43.5</i></td><td>1.1</td><td><i>3.5</i></td><td>11.8</td><td><i>43.7</i></td></tr><tr><th>Posterior secondary branch</th><td>8</td><td>8.4 – 11.1</td><td><i>33.5 – 40.5</i></td><td>9.6</td><td><i>36.8</i></td><td>0.8</td><td><i>2.7</i></td><td>9.6</td><td>35.6</td></tr></tbody></table>