Molecular analyses of groundwater amphipods (Crustacea: Niphargidae) from Luxembourg: new species reveal limitations of morphology-based checklists Author Weber, Dieter 0000-0001-7813-842X dieter. weber 124 @ gmx. de; https: // orcid. org / 0000 - 0001 - 7813 - 842 X dieter.weber124@gmx.de Author Flot, Jean-François Interuniversity Institute of Bioinformatics in Brussels- (IB), Brussels, Belgium Author Frantz, Alain C. 0000-0002-5481-7142 alain. frantz @ mnhn. lu; https: // orcid. org / 0000 - 0002 - 5481 - 7142 alain.frantz@mnhn.lu Author Weigand, Alexander M. University of Duisburg-Essen, Universitätsstr. 5, D- 45141 Essen, Germany text Zootaxa 2022 2022-12-23 5222 6 501 533 journal article 10.11646/zootaxa.5222.6.1 1175-5326 7477397 C9D6A84D-9961-4062-ACF0-CAF3CDE2AA7F

TABLE 8. Luxembourg’s Niphargus species and their main habitats [from Weber & Flot (2013), Weigand et al. (2016) and the present study] * = including artificial cavities and tunnels.

Species	springs	caves*	interstitial	main habitat
Niphargus aquilex MOTU B	–	–	1	interstitial
Niphargus aquilex MOTU EF	1	1	6	interstitial, spring, mine
Niphargus aquilex MOTU G	–	2	–	mine
Niphargus fontanus MOTU A	1	1	–	spring, mine
Niphargus kochianus MOTU ABC	1	–	–	interstitial
Niphargus puteanus	1	–	–	spring
Niphargus schellenbergi	68	20	6	spring, mine, interstitial