Balcanodiscus difficilis A. Riedel, 1988

Higher Taxonomy
Phylum: Mollusca
Class: Gastropoda
Order: Stylommatophora
Family: Zonitidae
Genus: Balcanodiscus
Characterisation
Troglophile
Distribution
Endemic to Greece
Locus Typicus
Spilaio Drakotrypa
Region: Anatoliki Makedonia-Thraki / Regional unit: Kavala / Municipality: Thasos / Closest settlement: Panagia
Distribution in caves of Greece
  • Spilaio Drakotrypa, Riedel 1985a, Riedel 1988b, Riedel 1992, Riedel 1996, Beron 2016, Karakasi et al. 2024
    Region: Anatoliki Makedonia-Thraki / Regional unit: Kavala / Municipality: Thasos / Closest settlement: Panagia
Comments

Endemic to Thasos island (in and outside caves).

IUCN Red List
NT - Near Threatened
Greece's Red Data Book
NT - Near Threatened
Protection status
  • There is no species-specific legal framework for protection.
Check Databases
Fauna Europea
GBIF
IUCN Red List
PESI
Species references
  • Beron, P. 2016. Faune cavernicole de la Grèce. Maison d'édition Est-West., Sofia. pp. 229.
  • Karakasi D, Paragamian K, Mylonas M, Vardinoyannis K 2024. What`s crawling in the dark? An annotated list of gastropods in Greek caves.. Subterranean Biology 48: 73-116. https://doi.org/10.3897/subtbiol.48.113383
  • Riedel, A. 1985. Zur Kenntnis der Balcanodiscus (Gastropoda, Stylommatophora, Zonitidae). Malak. Abh. Mus. Tierkd., Dresden, 10 (14): 139-147.
  • Riedel, A. 1988. Zur Kenntnis der Gattung Balcanodiscus, II (Gastropoda, Stylommatophora, Zonitidae). Malak. Abh. Mus. Tierkd., Dresden, 13 (10): 93-104.
  • Riedel, A. 1992. The Zonitidae (sensu lato) (Gastropoda, Pulmonata) of Greece. Fauna Graeciae V. Hellenic Zoological Society. pp. 194.
  • Riedel, A. 1996. Die in West-Paläarktis unterirdisch lebenden Zonitidae sensu lato (Gastropoda, Stylommatophora). Fragm. faun., 39 (24): 363-390.
Citation
Paragamian, K. 2026. Balcanodiscus difficilis A. Riedel, 1988. In Paragamian, K., M. Poulinakis, S. Paragamian and I. Nikoloudakis. Cave fauna of Greece database - Hellenic Institute of Speleological Research. Species data updated 22.11.2025, Accessed 18.04.2026