20.500.12556/DiRROS-28713 Data from: A comprehensive occurrence dataset for European Ostracoda inhabiting groundwater and groundwater-dependent ecosystems Motivation Groundwater ecosystems sustain a unique and globally important biodiversity but remain understudied due to sampling and exploration challenges, as well as a shortage of taxonomic experts. Groundwater ostracods, like other groundwater taxa, exhibit a high degree of endemism, rarity, and subterranean specialisation, positioning them as potentially vulnerable organisms. To better understand biodiversity patterns and the conservation needs of this highly diverse group, we assembled a team of experts to gather the most comprehensive information available about groundwater ostracods in Europe. We present a dataset comprising 2,065 occurrence records of 110 species, 11 undescribed species, and 5 subspecies of groundwater ostracods. This open dataset may support future research on the distribution, evolutionary pathways, and conservation needs of European groundwater ostracods, as well as inspire targeted sampling efforts in regions with currently limited data available. Main Types of Variables Contained Occurrence records of groundwater ostracods, with details about taxonomy, source of records, occurrence locality, habitat type, and species dependence on groundwater (obligate [stygobite] versus facultative groundwater-dwellers [stygophile]). Spatial Location and Grain Geographical Europe, spanning 32 countries. Occurrence records were assigned decimal degrees coordinates (EPSG:4326). Most occurrence records are at 100 m resolution. Time Period 1915–2024. Major Taxa and Level of Measurement Crustacea: Ostracoda. Most records have species or subspecies-level identification, while some are identified to genus or family levels. Software Format Comma-separated values file (.csv), with UTF-8 encoding and meta-data provided following the Darwin Core standard. alluvial aquifers conservation ecotypes habitat types hyporheic zone karst occurence data Ostracods springs aluvialni vodonosniki varstvo narave ekotipi kras izviri true false false Dryad Angleški jezik Slovenski jezik Neznano 2026-03-30 14:28:27 2026-03-30 14:50:44 2026-03-31 04:01:16 0000-00-00 00:00:00 2025 0 Durham 0 Nasl. z. nasl. zaslona; Opis vira z dne 19. 6. 2025; Soavtorji: Vehovar, Živa; Brad, Traian; Balázs, Gergely; Englisch, Constanze; Fišer, Cene; Gaviria, Santiago; Gottstein, Sanja; Griebler, Christian; Kenesz, Marius; Knight, Lee; Marmonier, Pierre; Malard, Florian; Mammola, Stefano; Martinez Garcia, Alejandro; Zagmajster, Maja; 1 spletni vir 0000-00-00 Zaloznikova Objavljeno NiDoloceno 0000-00-00 0000-00-00 2025-06-13 574 10.5061/dryad.1g1jwsv7c 239930627 https://datadryad.org/dataset/doi:10.5061/dryad.1g1jwsv7c 1 f8cb2ab4-2c33-11f1-bbb2-001a4af901a5 https://dirros.openscience.si/Dokument.php?lang=slv&id=42708 RAZ_Mori_Natasa_2025.zip RAZ_Mori_Natasa_2025.zip 1 A7388765248B0DC14FF76CFFA384C0BF 6ebc92b9be1797fa316c590426fb8ec2df8755dd2543c067d9e183c838ac51a4 7436cea6-2c35-11f1-bbb2-001a4af901a5 https://dirros.openscience.si/Dokument.php?lang=slv&id=42711 https://doi.org/10.1111/geb.70065 A Comprehensive Occurrence Dataset for European Ostracoda Inhabiting Groundwater and Groundwater-Dependent Ecosystems (podatkovni članek) A Comprehensive Occurrence Dataset for European Ostracoda Inhabiting Groundwater and Groundwater-Dependent Ecosystems (data article) 0 9f7ac532-2c35-11f1-bbb2-001a4af901a5 https://dirros.openscience.si/Dokument.php?lang=slv&id=42713 Nacionalni inštitut za biologijo A comprehensive occurrence dataset for European Ostracoda inhabiting groundwater and groundwater-dependent ecosystems 0 0 0