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Table 2 in Integrative description of two new species of the genus Mesobiotus (Eutardigrada, Macrobiotoidea) from Russia, with an updated phylogeny of the genus
Authors/Creators
- 1. Department of Invertebrate Zoology, Faculty of Biology, Saint Petersburg State University, 199034, Universitetskaya nab. 7 / 9, Saint Petersburg, Russia. & Marine Research Laboratory, Zoological Institute of the Russian Academy of Sciences, 199034, Universitetskaja nab. 1, Saint Petersburg, Russia.
- 2. Soil Science & Soil Ecology Department, Institute of Earth Sciences, Saint Petersburg State University, 16 Linija, 29, Saint Petersburg, 199178, Russia.
- 3. Department of Genetics and Biotechnology, Faculty of Biology, Saint Petersburg State University, 199034, Universitetskaya nab. 7 / 9, Saint Petersburg, Russia.
- 4. Department of Invertebrate Zoology, Faculty of Biology, Far Eastern Federal University, 10 Ajax Bay, Russky Island, Vladivostok, 690922, Russia.
Description
Table 2. Summary of morphometric data for Mesobiotus efa sp. nov. Measurements are given in µm, pt values in % (the pt index is the percentage ratio between the length of a structure and the length of the buccal tube).
| CHARACTER | N | RANGE | MEAN | SD | Holotype | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| µm | pt | µm | pt | µm | pt | µm | pt | ||||||
| Body length | 17 | 238 | – | 430 | 759 | – | 1048 | 321 | 856 | 51 | 72 | 430 | 940 |
| Buccopharyngeal tube | |||||||||||||
| Buccal tube length | 21 | 29.7 | – | 45.8 | – | 38.1 | – | 4.5 | – | 45.8 | – | ||
| Stylet support insertion point | 21 | 22.6 | – | 35.3 | 74.0 | – | 78.8 | 29.3 | 77.0 | 3.5 | 1.0 | 35.3 | 77.2 |
| Buccal tube external width | 21 | 4.1 | – | 8.6 | 12.1 | – | 19.6 | 5.6 | 14.6 | 1.0 | 1.5 | 6.7 | 14.7 |
| Buccal tube internal width | 21 | 3.1 | – | 7.6 | 8.4 | – | 17.2 | 4.2 | 10.9 | 1.0 | 1.6 | 5.0 | 10.9 |
| Ventral lamina length | 19 | 17.3 | – | 27.2 | 56.6 | – | 61.4 | 22.4 | 59.5 | 2.9 | 1.4 | 27.2 | 59.5 |
| Placoid lengths | |||||||||||||
| Macroplacoid 1 | 21 | 2.3 | – | 6.5 | 7.7 | – | 15.6 | 4.7 | 12.1 | 1.1 | 1.9 | 5.9 | 12.9 |
| Macroplacoid 2 | 21 | 2.4 | – | 5.1 | 7.9 | – | 12.6 | 3.8 | 9.9 | 0.7 | 1.1 | 4.7 | 10.3 |
| Macroplacoid 3 | 21 | 2.7 | – | 6.5 | 9.2 | – | 14.2 | 4.6 | 11.9 | 1.0 | 1.4 | 6.5 | 14.1 |
| Microplacoid | 21 | 1.6 | – | 4.9 | 5.5 | – | 11.2 | 3.6 | 9.4 | 0.8 | 1.6 | 4.8 | 10.5 |
| Macroplacoid row | 21 | 9.3 | – | 18.6 | 31.3 | – | 45.3 | 14.6 | 38.2 | 2.5 | 3.4 | 18.3 | 40.0 |
| Placoid row | 21 | 12.5 | – | 24.0 | 42.0 | – | 56.9 | 18.9 | 49.4 | 3.1 | 3.6 | 24.0 | 52.5 |
| Claw 1 lengths | |||||||||||||
| External primary branch | 18 | 6.0 | – | 9.4 | 17.6 | – | 22.5 | 7.5 | 20.0 | 1.0 | 1.2 | ? | ? |
| External secondary branch | 18 | 5.0 | – | 8.0 | 13.3 | – | 18.1 | 6.1 | 16.3 | 0.8 | 1.1 | ? | ? |
| Internal primary branch | 21 | 5.7 | – | 9.1 | 17.1 | – | 21.0 | 7.3 | 19.1 | 0.9 | 0.9 | 9.1 | 19.9 |
| Internal secondary branch | 21 | 4.3 | – | 8.1 | 13.9 | – | 17.6 | 6.0 | 15.7 | 0.9 | 1.0 | 8.1 | 17.6 |
| Claw 2 lengths | |||||||||||||
| External primary branch | 20 | 6.2 | – | 9.7 | 19.1 | – | 22.8 | 7.9 | 20.7 | 1.0 | 1.1 | 9.7 | 21.1 |
| External secondary branch | 20 | 5.3 | – | 8.9 | 15.1 | – | 19.4 | 6.5 | 17.0 | 0.9 | 1.2 | 8.9 | 19.4 |
| Internal primary branch | 20 | 5.7 | – | 9.1 | 18.0 | – | 21.8 | 7.2 | 19.0 | 0.9 | 0.9 | 9.1 | 19.8 |
| Internal secondary branch | 20 | 4.5 | – | 7.8 | 14.4 | – | 18.1 | 6.1 | 16.0 | 0.8 | 1.2 | 6.7 | 14.6 |
| Claw 3 lengths | |||||||||||||
| External primary branch | 20 | 6.4 | – | 9.7 | 19.3 | – | 23.0 | 7.9 | 20.8 | 1.0 | 1.0 | 9.7 | 21.1 |
| External secondary branch | 20 | 5.3 | – | 8.4 | 14.9 | – | 19.0 | 6.3 | 16.7 | 0.8 | 1.1 | 7.8 | 17.0 |
| Internal primary branch | 20 | 5.8 | – | 9.1 | 17.1 | – | 21.3 | 7.3 | 19.2 | 0.9 | 1.0 | 9.1 | 19.8 |
| Internal secondary branch | 20 | 4.7 | – | 7.9 | 14.1 | – | 17.8 | 6.1 | 16.1 | 0.7 | 0.9 | 6.9 | 15.2 |
| Claw 4 lengths | |||||||||||||
| Anterior primary branch | 19 | 6.6 | – | 10.8 | 16.8 | – | 27.5 | 8.8 | 23.3 | 1.2 | 2.4 | 9.9 | 21.6 |
| Anterior secondary branch | 19 | 5.1 | – | 8.4 | 16.3 | – | 19.9 | 7.0 | 18.4 | 0.9 | 1.1 | 7.5 | 16.3 |
| Posterior primary branch | 16 | 7.6 | – | 11.6 | 22.4 | – | 29.0 | 9.5 | 25.4 | 1.2 | 1.4 | ? | ? |
| Posterior secondary branch | 15 | 5.4 | – | 8.0 | 16.4 | – | 20.1 | 6.8 | 18.2 | 0.8 | 1.0 | ? | ? |
| µm | pt | µm | pt | µm | pt | µm | pt | ||||||
| Body length | 10 | 264 | – | 521 | 808 | – | 1119 | 366 | 948 | 87 | 121 | 521 | 1119 |
| Buccopharyngeal tube | |||||||||||||
| Buccal tube length | 10 | 30,1 | – | 46,5 | – | 38,3 | – | 5,7 | – | 46,5 | – | ||
| Stylet support insertion point | 10 | 22,5 | – | 35,2 | 74,7 | – | 77,6 | 29,0 | 75,8 | 4,5 | 0,8 | 35,2 | 75,6 |
| Buccal tube external width | 10 | 4,0 | – | 7,6 | 13,0 | – | 18,2 | 5,6 | 14,6 | 1,2 | 1,4 | 7,2 | 15,5 |
| Buccal tube internal width | 10 | 2,9 | – | 6,0 | 9,6 | – | 14,4 | 4,3 | 11,1 | 1,1 | 1,5 | 5,6 | 12,0 |
| Ventral lamina length | 9 | 20,0 | – | 32,1 | 61,7 | – | 69,0 | 25,4 | 66,1 | 4,4 | 2,3 | 32,1 | 69,0 |
| Placoid lengths | |||||||||||||
| Macroplacoid 1 | 10 | 3,4 | – | 6,4 | 10,9 | – | 15,3 | 5,0 | 12,9 | 1,1 | 1,6 | 6,4 | 13,7 |
| Macroplacoid 2 | 10 | 3,0 | – | 5,7 | 9,7 | – | 12,4 | 4,1 | 10,6 | 0,9 | 0,8 | 5,4 | 11,5 |
| Macroplacoid 3 | 10 | 3,0 | – | 6,4 | 9,9 | – | 14,3 | 4,9 | 12,6 | 1,1 | 1,3 | 6,4 | 13,7 |
| Microplacoid | 10 | 2,0 | – | 4,5 | 6,5 | – | 9,9 | 3,3 | 8,5 | 0,8 | 1,0 | 4,5 | 9,7 |
| Macroplacoid row | 10 | 11,2 | – | 21,3 | 37,4 | – | 46,6 | 16,2 | 41,9 | 3,4 | 3,1 | 21,3 | 45,7 |
| Placoid row | 10 | 14,3 | – | 27,3 | 47,4 | – | 58,9 | 20,5 | 53,2 | 4,2 | 3,7 | 27,3 | 58,6 |
| Claw 1 heights | |||||||||||||
| External primary branch | 10 | 7,2 | – | 12,4 | 22,0 | – | 26,7 | 9,4 | 24,7 | 1,5 | 1,3 | 12,4 | 26,7 |
| External secondary branch | 10 | 5,7 | – | 9,6 | 18,5 | – | 23,2 | 7,6 | 19,9 | 1,2 | 1,4 | 9,6 | 20,5 |
| Internal primary branch | 10 | 6,8 | – | 12,6 | 22,7 | – | 27,0 | 9,3 | 24,2 | 1,6 | 1,3 | 12,6 | 27,0 |
| Internal secondary branch | 10 | 5,5 | – | 9,2 | 16,2 | – | 22,3 | 7,3 | 19,1 | 1,2 | 1,6 | 8,9 | 19,2 |
| Claw 2 heights | |||||||||||||
| External primary branch | 10 | 7,5 | – | 13,3 | 23,0 | – | 28,5 | 9,8 | 25,6 | 1,7 | 1,6 | 13,3 | 28,5 |
| External secondary branch | 10 | 5,9 | – | 11,1 | 19,0 | – | 23,8 | 8,2 | 21,3 | 1,5 | 1,7 | 11,1 | 23,8 |
| Internal primary branch | 10 | 8,1 | – | 12,5 | 24,2 | – | 28,0 | 10,0 | 26,1 | 1,4 | 1,1 | 12,5 | 26,8 |
| Internal secondary branch | 10 | 5,5 | – | 9,0 | 17,9 | – | 24,4 | 7,8 | 20,4 | 1,1 | 1,9 | 9,0 | 19,4 |
| Claw 3 heights | ? | ? | |||||||||||
| External primary branch | 10 | 7,8 | – | 13,0 | 23,7 | – | 27,8 | 9,9 | 25,8 | 1,5 | 1,3 | 13,0 | 27,8 |
| External secondary branch | 10 | 5,6 | – | 9,8 | 17,2 | – | 22,4 | 7,7 | 20,1 | 1,4 | 1,6 | 9,8 | 21,0 |
| Internal primary branch | 10 | 7,8 | – | 12,6 | 24,2 | – | 28,9 | 9,9 | 25,9 | 1,5 | 1,4 | 12,6 | 27,0 |
| Internal secondary branch | 10 | 6,1 | – | 10,4 | 17,9 | – | 26,9 | 7,9 | 20,7 | 1,4 | 2,4 | 9,1 | 19,5 |
| Claw 4 heights | |||||||||||||
| Anterior primary branch | 10 | 8,7 | – | 14,6 | 27,5 | – | 32,2 | 11,4 | 29,8 | 1,8 | 1,4 | 14,6 | 31,4 |
| Anterior secondary branch | 10 | 5,9 | – | 10,8 | 19,7 | – | 23,4 | 8,4 | 22,0 | 1,4 | 1,3 | 10,8 | 23,2 |
| Posterior primary branch | 10 | 9,5 | – | 13,5 | 27,1 | – | 35,1 | 11,8 | 31,1 | 1,6 | 2,4 | 12,6 | 27,1 |
| Posterior secondary branch | 10 | 7,4 | – | 11,0 | 20,1 | – | 25,3 | 8,9 | 23,5 | 1,3 | 1,7 | 9,8 | 21,0 |
Notes
Published as part of Tumanov, Denis V., Androsova, Evgenia D., Gavrilenko, Marina D. & Kalimullin, Aidar A., 2024, Integrative description of two new species of the genus Mesobiotus (Eutardigrada, Macrobiotoidea) from Russia, with an updated phylogeny of the genus, pp. 29-36 in European Journal of Taxonomy 947 (1) on page 29, DOI: 10.5852/ejt.2024.947.2619, http://zenodo.org/record/13134040
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