Atlas of the European Arachnids

The Atlas of the European Arachnids is an unsystematic but continuously updated collection of records (occurrences) of arachnid species (excluding mites) in central Europe (while not excluding surrounding regions). This site continues the recording scheme of the Arachnologische Gesellschaft, formerly maintained by Aloysius Staudt (

Recorded species
Min. recorded specimens

(These statistics are not updated in real-time for performance reasons. The actual numbers may be different. Last update: 2020-02-19 11:45:33)

Citation: Arachnologische Gesellschaft (2020): Atlas of the European Arachnids, accessed at on {date of access}

Locations on maps are only displayed with a reduced precision when you are not logged in. Furthermore, the printing functions and advanced statistics are not available. Members of the Arachnologische Gesellschaft can log in at any time and use the Atlas without these restrictions after they have registered for the Members' Area of the main pages. For further information about an AraGes membership see here.

The taxonomy of Araneae on this site follows that of the World Spider Catalog in its latest version, that of the small orders (except Opiliones and Scorpiones) follows the catalogues of Mark S. Harvey. If nothing else is specified for a species from a species group, the species “s. str.” is meant.

All geographic coordinates use the WGS84 datum.

Records from the previous recording scheme are strongly reduced (usually only one record per decade, source, species and map grid). Furthermore, the record date is known only as a decade. For some sources the record date was corrected to be precise to a year. Only the latest records carry an exact date or date range spanning only a few days.

Locations from the former recording scheme were only known as a grid number of the topo-map series TK 25 (an “MTB”), i. e. they are only precise to an area of 10×6 minutes. Only the latest records are more precise. Records from outside of Germany are partially associated with a „pseudo”-MTB, i. e. they lie within a rectangular area with coordinates derived from the TK 25 grid number even though this sheet does not actually exist in the series. New records can be localized to any position in the world, also outside the TK 25 series area. Furthermore, some older records were subsequently localized more precisely.

The following grid systems are supported:

Additional record data like collection method, sex, maturity, biotope type, etc. are typically only known for the newest records.

Biotopes are classfied according to the EUNIS (2007 revision).

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Sources with recent updates

Bösenberg W (1902): Die Spinnen Deutschlands Ⅱ–Ⅳ.Zoologica 14 (2-4): 97–384 
Schenkel E (1918): Neue Fundorte einheimischer Spinnen.Verhandlungen der naturforschenden Gesellschaft Basel 29: 69–104
Irmler U & Heydemann B (1988): Die Spinnenfauna des Bodens schleswig-holsteinischer Waldökosysteme.Faunistisch-ökologische Mitteilungen 6 (1/2): 61–85 
Rüger E & Hiebsch H (1972): Beitrag zur faunistischen Erforschung des NSG "Rabenauer Grund".Naturschutzarbeit und naturkundliche Heimatforschung in Sachsen 2: 60–68 

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Recently added sources

Reboleira AS, Zaragoza JA, Gonçalves F & Oromí P (2013): On hypogean Roncocreagris (Arachnida: Pseudoscorpiones: Neobisiidae) from Portugal, with descriptions of three new species.Zootaxa 3670 (2): 283–299; DOI: 10.11646/zootaxa.3670.2.11 
Schmitt M (2007): Notizen zu einigen allochthonen und synanthropen Spinnen (Arachnida: Araneae) aus Essen.Elektronische Aufsätze der Biologischen Station Westliches Ruhrgebiet 11: 1–12 
Toss K (2009): Deutscher Erstnachweis einer bisher unbekannten Weberknechtart der Gattung Leiobunum und Anmerkungen zu zwei Vorkommen in Duisburg.Elektronische Aufsätze der Biologischen Station Westliches Ruhrgebiet 16: 1–7 
Lauterbach S (2020): Astrobunus laevipes (Canestrini, 1872) auf Industriebrachen im Ruhrgebiet (Opiliones: Sclerosomatidae).Elektronische Aufsätze der Biologischen Station Westliches Ruhrgebiet 40: 1–5 
Thaler K (1991): Pachygnatha terilis n. sp. aus den Südalpen, mit Bemerkungen zu einigen Araneidae der Alpenländer (Arachnida: Aranei, Tetragnathidae, Araneidae).Berichte des Naturwissenschaftlich-Medizinischen Vereins in Innsbruck 78: 47–57 
Christian S (2014): The first record of the tangle-web spider Sardinidion blackwalli (O. P.-Cambridge, 1871) in Luxembourg (Arachnida, Theridiidae).Bulletin de la Société des naturalistes Luxembourgeois 115: 255–257 
Muster C & Meyer M (2014): Verbreitungsatlas der Weberknechte des Großherzogtums Luxemburg.Ferrantia 70: 5–106 
Ponel P & Oger P (2019): Découverte de Kalliste pavonum Martens, 2018 (Opiliones, Phalangiidae) en France continentale.Revue arachnologique 2 (6): 29–31 

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Currently processed sources

Schenkel E (1918): Neue Fundorte einheimischer Spinnen.Verhandlungen der naturforschenden Gesellschaft Basel 29: 69–104
Schikora H-B (2015): Die Webspinnen des Nationalparks Harz.Schriftenreihe aus dem Nationalpark Harz 13: 1–371
Staudt A, Weber D & Nährig D (2013): Webspinnen (Arachnida, Araneae) aus Höhlen des Großherzogtums Luxemburg.Ferrantia 69: 115–157

New on this site

Version 1.67:
  • Display heatmap with record history (only for registered users).
Version 1.65:
  • Display the grid field on maps "Records of all locations in…".
Version 1.64:
  • Support for the grid system following Luxembourg 1930/Gauß
  • Support for entering coordinates as Luxembourg 1930/Gauß
  • Printing maps of Luxembourg
Version 1.63:
  • New record entry form "multiple species, multiple locations" (only for registered users, only on source pages).
Version 1.62:
  • Support for the 5 km grid based on Swiss coordinate system (CH1903)
  • Coordinate entry using Swiss coordinate system
  • Renaming of areas

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