Thomisidae  Sundevall, 1833 / Bassaniana  Strand, 1928   1 species

Bassaniana baudueri  (Simon, 1877)


Tibial apophysis with ventral, broad, hook-shaped and distally rounded apophysis and a second one, originating retrolaterally, with tooth-like process. Embolus short, rectangularly projecting distally. Epigyne has a clip-like protrusion vertically, no epigynal groove. Vulva with 2 sac-like structures separated from each other. Prosoma black-brown, and in median and posterior field with spotted and V-shaped, white pattern. Sternum black-brown, black-brown margin. Female: scarcely spined. Chelicerae black-brown, strongly patterned yellow cream-coloured. Legs short and thick with dense, robust spines, spotted very dark and contrast-rich (white, black, brown) like remaining specimen. Opisthosoma anteriorly black, brown, spotted grey and cream-coloured, becoming brighter posteriorly. Female: with median lancet-like brightened area or posteriorly with inverse cream-coloured, triangular field. Spinnerets brown.

Prosoma brown, with white spots. Prosoma length: 1.95-2.1 m. Chelicerae and sternum brown, with white spots. Legs yellowish with brown and white spots, femora I and II sometimes completely brown on ventral side. Opisthosoma with variable pattern, but at least a white anterior spot on each side.

Body length male: 3.8-4.5 mm

Prosoma length: 2.55 mm. Colouration as in males, but lighter.

Body length female: 5.0-6.75 mm
Additional information

under bark of trees, camouflaged due to its colour

  No data
Global distribution (WSC 2023): Portugal, France, Germany, Austria, Slovakia, Hungary, Romania
 male  female
Distribution List
Austria   (Breitling et al., 2016a) ||| Azerbaijan   (Otto, 2022) ||| France   (Déjean & Ledoux, 2013; Breitling et al., 2016a) ||| Georgia   (Otto, 2022) ||| Germany   (Breitling et al., 2016a) ||| Hungary   (Breitling et al., 2016a; Samu & Szinetár, 1999) ||| Portugal   (Breitling et al., 2016a) ||| Romania   (Breitling et al., 2016a) ||| Slovakia   (Breitling et al., 2016a) |||

Breitling R, Bauer T, Grabolle A, Oger P, Pantini P, Van Keer J, Pfliegler W P, Jantscher E, Dolanský J (2016a) East meets West: on the true identity of Cheiracanthium rupestre and Xysticus albomaculatus (Arachnida: Araneae: Eutichuridae, Thomisidae). Arachnologische Mitteilungen 52: 38-49 pdf

Chyzer C, Kulczyński W (1891) Araneae Hungariae. Tomus I. Academia Scientarum Hungaricae, Budapest, 170 pp., 4 pls. pdf

Déjean S, Ledoux J-C (2013) De araneis Galliae, III, 4: Bassianiana versicolor baudueri (Simon, 1932). Revue Arachnologique 17: 88-92 pdf

Jantscher E (2001a) Revision der Krabbenspinnengattung Xysticus C.L. Koch, 1835 (Araneae, Thomisidae) in Zentraleuropa. Dissertation, Univ. Graz, 328 pp., 81 pls. pdf

Otto S (2022) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 02.2022. Internet:

Samu F, Szinetár C (1999) Bibliographic check list of the Hungarian spider fauna. Bulletin of the British Arachnological Society 11: 161-184 pdf

WSC (2022) World Spider Catalog. Version 23.5. Natural History Museum Bern, online at (21.07.2022) doi: 10.24436/2 pdf

18-06-2020 Distribution insert Detail
18-06-2020 Distribution update Detail
16-01-2017 Image insert
16-01-2017 Distribution update Detail
17-06-2014 Datasheet update Detail
17-06-2014 Image insert
04-02-2014 Distribution update Detail