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Scientific name
Bythiospeum helveticum (Clessin, 1882)
German name
Schweizer Brunnenschnecke
Group of organisms
Gastropoda & Bivalvia
Red List Category
Threatened with Extinction
Responsibility of Germany
General responsibility
Current population status
extremely rare
Long-term population trend
unknown
Short-term population trend
decrease of unknown extent
Special cases
Negative risk factor(s) is/are known
Risk factors
Increasing direct impacts, e. g. construction projects
Increasing indirect impacts, e. g. deterioration of habitat quality
Previous Red List Category
Threatened
Change of category compared to previous Red List
Current downgrading of Red List Category
Status
Indigenes or Archaeobiota
Source

Jungbluth, J.H. & Knorre, D. von (2011): Rote Liste und Gesamtartenliste der Binnenmollusken (Schnecken und Muscheln; Gastropoda et Bivalvia) Deutschlands. – In: Binot-Hafke, M.; Balzer, S.; Becker, N.; Gruttke, H.; Haupt, H.; Hofbauer, N.; Ludwig, G.; Matzke-Hajek, G. & Strauch, M. (Red.): Rote Liste gefährdeter Tiere, Pflanzen und Pilze Deutschlands, Band 3: Wirbellose Tiere (Teil 1). – Münster (Landwirtschaftsverlag). – Naturschutz und Biologische Vielfalt 70 (3): 647-708.