- Scientific name
- Avenionia roberti Boeters, 1967
- Synonyms or name indicated in the previous Red List
- Avenionia bourguignati (Locard, 1883); Avenionia bourguignati roberti Boeters, 1967
- German name
- Roberts Grundwasserschnecke
- Group of organisms
- Gastropoda & Bivalvia
- Red List Category
- Critically endangered
- Responsibility of Germany
- General responsibility
- Current population status
- extremely rare
- Long-term population trend
- strong decline
- Short-term population trend
- constant
- Special cases
- Negative risk factor(s) is/are known
- Risk factors
- Fragmentation/isolation of remaining sub-populationsIncreasing indirect impacts, e. g. deterioration of habitat quality
- Previous Red List Category
- Critically endangered
- Change of category compared to previous Red List
- Red List Category unchanged
- 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.