Integrative taxonomy supports the description of two new species of Macrobiotidae (Tardigrada, Eutardigrada) from Kristianstads Vattenrike Biosphere Reserve in Sweden Author Hulterström, Jens Department of Zoology, Swedish Museum of Natural History, Box 50007, 104 05 Stockholm, Sweden. jens.hulterstrom15@gmail.com Author Guidetti, Roberto Department of Life Sciences, University of Modena and Reggio Emilia, 41124 Modena, Italy. roberto.guidetti@unimore.it Author Jönsson, K. Ingemar Department of Environmental Science, Kristianstad University, SE- 291 88 Kristianstad, Sweden. ingemar.jonsson@hkr.se Author Atherton, Sarah Department of Zoology, Swedish Museum of Natural History, Box 50007, 104 05 Stockholm, Sweden. sarah.atherton@nrm.se text European Journal of Taxonomy 2025 2025-12-08 1030 1 52 https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/3135/13991 journal article 313536 10.5852/ejt.2025.1030.3135 0e837015-e9de-4bbe-92b1-4fbb915238a4 2118-9773 17962351 60D8486F-0A30-423A-832B-3B5BF58C20ED

Table 2. Morphometric data for the eggs of the new species, including the number of measurements for each character, the range of the measurements, the mean and standard deviation.

		M. vattenrikense sp. nov.			P. marchelmoni sp. nov.
	n	Range (µm)	Mean ± SD (µm)	n	Range (µm)	Mean ± S D (µm)
Egg bare diameter	6	62.3–78.2	74.0 ± 6.2	13	67.0–92.4	77.2 ± 7.5
Egg full diameter	6	74.0–90.5	86.4 ± 6.4	13	92.5–115.0	102.2 ± 8.6
Process height	18	6.0–7.3	6.7 ± 0.4	40	10.0–16.5	13.0 ± 1.6
Process base width	18	6.0–7.2	6.8 ± 0.4	39	21.3–30.0	24.1 ± 2.4
Process width/height	18	0.86–1.17	1.01 ± 0.10	39	1.44–2.25	1.86 ± 0.23
Terminal disk width	18	3.2–4.8	4.0 ± 0.5	–	–	–
Interprocess distance	18	2.9–4.2	3.5 ± 0.4	30	4.0–10.0	5.8 ± 1.1
Processes on circumference	6	23–25	24.2 ± 1.0	14	10–12	11.1 ± 0.9