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Scientific name
Gyas titanus Simon, 1879
German name
Schwarzer Riesenweberknecht
Group of organisms
Arachnida: Opiliones
Red List Category
Threat of Unknown Extent
Responsibility of Germany
General responsibility
Current population status
rare
Long-term population trend
decline of unknown extent
Short-term population trend
constant
Previous Red List Category
Extremely Rare
Change of category compared to previous Red List
Current downgrading of Red List Category
Margin of range
Northern
Status
Indigenes or Archaeobiota
Source

Muster, C.; Blick, T. & Schönhofer, A. (2016): Rote Liste und Gesamtartenliste der Weberknechte (Arachnida: Opiliones) Deutschlands. – In: Gruttke, H.; Balzer, S.; Binot-Hafke, M.; Haupt, H.; Hofbauer, N.; Ludwig, G.; Matzke-Hajek, G. & Ries, M. (Red.): Rote Liste gefährdeter Tiere, Pflanzen und Pilze Deutschlands, Band 4: Wirbellose Tiere (Teil 2). – Münster (Landwirtschaftsverlag). – Naturschutz und Biologische Vielfalt 70 (4): 513-536.