Robuta

https://eunis.eea.europa.eu/habitats/30863 EUNIS -Factsheet for Facies with fresh water resurgences with [Cerastoderma glaucum] and [Cyathura... na This facies, typical of fresh water springs, is characterised by the bivalve molluscs [Cerastoderma glaucum] and [Cyathura carinata]. fresh water