Storkaniella janinensis is not a synonym of this species per Řezáč (in litt.), but a juvenile female of Eresus walckenaeri. So Adonea fimbriata would not be known from Greece and the genus Adonea would not be known from Europe.
Bosmans R, Chatzaki M (2005) A catalogue of the spiders of Greece – a critical review of all spider species cited from Greece with their localities. Nieuwsbrief van de Belgische arachnologische Vereniging 20 (2, suppl.): 1-124
Bosmans R. (unpubl.) Provisional list of spiders of North Africa. Database excerpt Aug. 2019