Table 2 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 2.</b> Measurements [in μm] and <i>pt</i> values [in %] of selected morphological structures of individuals of <i>Macrobiotus witalinskii</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>207–300</td><td><i>900–1176</i></td><td>258</td><td><i>1039</i></td><td>23</td><td><i>74</i></td><td>271</td><td><i>1075</i></td></tr><tr><th>Buccal tube</th></tr><tr><th>Buccal tube length</th><td>24</td><td>20.3–27.8</td><td>–</td><td>24.8</td><td><i>–</i></td><td>1.4</td><td><i>–</i></td><td>25.2</td><td><i>–</i></td></tr><tr><th>Stylet support insertion point</th><td>24</td><td>13.5–18.5</td><td><i>64.4–66.5</i></td><td>16.3</td><td><i>65.6</i></td><td>1.0</td><td><i>0.7</i></td><td>16.4</td><td><i>65.1</i></td></tr><tr><th>Buccal tube external width</th><td>24</td><td>1.8–2.6</td><td><i>8.0–9.9</i></td><td>2.2</td><td><i>8.9</i></td><td>0.2</td><td><i>0.4</i></td><td>2.3</td><td><i>9.1</i></td></tr><tr><th>Buccal tube internal width</th><td>24</td><td>0.8–1.4</td><td><i>3.5–5.6</i></td><td>1.1</td><td><i>4.6</i></td><td>0.2</td><td><i>0.6</i></td><td>1.4</td><td><i>5.6</i></td></tr><tr><th>Ventral lamina length</th><td>23</td><td>11.2–13.9</td><td><i>46.5–52.2</i></td><td>12.4</td><td><i>49.6</i></td><td>0.7</td><td><i>1.6</i></td><td>12.6</td><td><i>50.0</i></td></tr><tr><th>Placoid lengths</th></tr><tr><th>Macroplacoid 1</th><td>24</td><td>3.5–5.5</td><td><i>17.1–21.1</i></td><td>4.7</td><td><i>19.1</i></td><td>0.4</td><td><i>1.2</i></td><td>5.0</td><td><i>19.8</i></td></tr><tr><th>Macroplacoid 2</th><td>24</td><td>2.2–3.4</td><td><i>9.5–13.1</i></td><td>2.9</td><td><i>11.5</i></td><td>0.3</td><td><i>0.8</i></td><td>3.0</td><td><i>11.9</i></td></tr><tr><th>Microplacoid</th><td>24</td><td>0.7–1.5</td><td><i>3.4–6.2</i></td><td>1.1</td><td><i>4.6</i></td><td>0.2</td><td><i>0.6</i></td><td>0.9</td><td><i>3.6</i></td></tr><tr><th>Macroplacoid row</th><td>24</td><td>6.4–9.6</td><td><i>30.2–37.6</i></td><td>8.4</td><td><i>33.8</i></td><td>0.7</td><td><i>1.9</i></td><td>8.9</td><td><i>35.3</i></td></tr><tr><th>Placoid row</th><td>24</td><td>7.5–11.5</td><td><i>36.3–44.7</i></td><td>10.1</td><td><i>40.6</i></td><td>0.9</td><td><i>2.2</i></td><td>10.2</td><td><i>40.5</i></td></tr><tr><th>Claw 1 heights</th></tr><tr><th>External primary branch</th><td>23</td><td>3.7–6.3</td><td><i>15.0–23.9</i></td><td>5.4</td><td><i>21.7</i></td><td>0.6</td><td><i>1.8</i></td><td>5.4</td><td><i>21.4</i></td></tr><tr><th>External secondary branch</th><td>22</td><td>3.4–5.2</td><td><i>15.2–20.4</i></td><td>4.5</td><td><i>18.0</i></td><td>0.4</td><td><i>1.2</i></td><td>4.7</td><td><i>18.7</i></td></tr><tr><th>Internal primary branch</th><td>23</td><td>4.2–6.0</td><td><i>18.8–22.8</i></td><td>5.3</td><td><i>21.2</i></td><td>0.4</td><td><i>1.0</i></td><td>5.2</td><td><i>20.6</i></td></tr><tr><th>Internal secondary branch</th><td>18</td><td>3.1–4.8</td><td><i>13.9–18.3</i></td><td>4.2</td><td><i>16.9</i></td><td>0.4</td><td><i>1.1</i></td><td>4.4</td><td><i>17.5</i></td></tr><tr><th>Claw 2 heights</th></tr><tr><th>External primary branch</th><td>23</td><td>4.7–6.3</td><td><i>20.8–24.3</i></td><td>5.6</td><td><i>22.7</i></td><td>0.4</td><td><i>1.0</i></td><td>5.6</td><td><i>22.2</i></td></tr><tr><th>External secondary branch</th><td>20</td><td>3.9–5.2</td><td><i>16.5–20.4</i></td><td>4.5</td><td><i>18.1</i></td><td>0.3</td><td><i>1.0</i></td><td>4.4</td><td><i>17.5</i></td></tr><tr><th>Internal primary branch</th><td>23</td><td>4.6–6.1</td><td><i>20.4–24.3</i></td><td>5.4</td><td><i>22.0</i></td><td>0.4</td><td><i>1.0</i></td><td>5.4</td><td><i>21.4</i></td></tr><tr><th>Internal secondary branch</th><td>18</td><td>3.6–5.1</td><td><i>15.8–19.2</i></td><td>4.4</td><td><i>17.5</i></td><td>0.4</td><td><i>1.0</i></td><td>4.2</td><td><i>16.7</i></td></tr><tr><th>Claw 3 heights</th></tr><tr><th>External primary branch</th><td>22</td><td>4.6–6.4</td><td><i>21.2–24.7</i></td><td>5.7</td><td><i>23.0</i></td><td>0.4</td><td><i>0.9</i></td><td>5.7</td><td><i>22.6</i></td></tr><tr><th>External secondary branch</th><td>18</td><td>3.8–5.3</td><td><i>16.9–20.6</i></td><td>4.7</td><td><i>18.9</i></td><td>0.3</td><td><i>1.1</i></td><td>4.9</td><td><i>19.4</i></td></tr><tr><th>Internal primary branch</th><td>23</td><td>4.0–6.1</td><td><i>19.7–23.9</i></td><td>5.5</td><td><i>22.1</i></td><td>0.5</td><td><i>1.0</i></td><td>5.4</td><td><i>21.4</i></td></tr><tr><th>Internal secondary branch</th><td>21</td><td>3.6–5.2</td><td><i>15.6–19.6</i></td><td>4.4</td><td><i>17.6</i></td><td>0.4</td><td><i>1.0</i></td><td>4.4</td><td><i>17.5</i></td></tr><tr><th>Claw 4 heights</th></tr><tr><th>Anterior primary branch</th><td>20</td><td>5.2–7.5</td><td><i>23.2–29.0</i></td><td>6.3</td><td><i>25.5</i></td><td>0.6</td><td><i>1.7</i></td><td>6.0</td><td><i>23.8</i></td></tr><tr><th>Anterior secondary branch</th><td>17</td><td>4.2–5.8</td><td><i>18.8–22.4</i></td><td>5.1</td><td><i>20.7</i></td><td>0.5</td><td><i>1.2</i></td><td>4.9</td><td><i>19.4</i></td></tr><tr><th>Posterior primary branch</th><td>20</td><td>5.4–7.7</td><td><i>24.6–29.4</i></td><td>6.6</td><td><i>26.6</i></td><td>0.6</td><td><i>1.5</i></td><td>6.2</td><td><i>24.6</i></td></tr><tr><th>Posterior secondary branch</th><td>17</td><td>4.7–6.3</td><td><i>19.2–24.3</i></td><td>5.4</td><td><i>21.7</i></td><td>0.4</td><td><i>1.4</i></td><td>5.2</td><td>20.6</td></tr></tbody></table>