Trichonia trichonica Radoman, 1973



Taxonomy & Nomenclature



Conservation Status

Last record: 1985

Rediscovered: 2009

IUCN RedList status: Critically Endangered



Greece (including Lake Trichonis)


Biology & Ecology










Original scientific description:

Radoman, P. (1973). New Classification of fresh and brackish water Prosobranchia from the Balkans and Asia Minor. [incomplete reference]


Other references:

Albrecht, C., Hauffe, T., Schreiber, K., Trajanovski, S. and Wilke, T. (2009). Mollusc biodiversity and endemism in the putative ancient Lake Trichonis (Greece). Malacologia 51(2): 357-375.

Cowie, Robert H., Régnier, Claire, Fontaine, Benoît, and Bouchet, Philippe. (2017). Measuring the Sixth Extinction: what do mollusks tell us? The Nautilus 131(1): 3-41.

Cuttelod, A., Seddon, M. and Neubert, E. (2011). European Red List of Non-marine Molluscs. Publications Office of the European Union, Luxembourg.

Frogley M.R. & R.C. Preece. (2007). A review of the aquatic mollusca from Lake Pamvotis, Ioannina, an ancient Lake in NW Greece. Journal of Conchology, London 39(3): 271-295.

Hauffe, T., Albrecht, C. & Schreiber, K. (2011). Trichonia trichonica. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. ( Downloaded on 28 January 2012.

Radea, Canella, Louvrou, Ioanna, Bakolitsas, Konstantinos and Economou-Amilli, Athena. (2017). Local endemic and threatened freshwater hydrobiids of western Greece: elucidation of anatomy and new records. Folia Malacol. 25. DOI: 10.12657/folmal.025.001

Radea, Canella,  Parmakelis, A.,  Papadogiannis, V., Charou, D. and  Triantis, K. A. (2013). The hydrobioid freshwater gastropods (Caenogastropoda, Truncatelloidea) of Greece: new records, taxonomic reassessments us-ing DNA sequence data and an update of the IUCN Red List Categories. ZooKeys 350: 1-20.

Régnier, Claire, Fontaine, Benoît and Bouchet, Philippe. (2009). Not Knowing, Not Recording, Not Listing: Numerous Unnoticed Mollusk Extinctions. Conservation Biology 23(5): 1214-1221.

Szarowssa, M. (2006). Molecular phylogeny, systematics and morphological character evolution in the Balkan Rissooidea (Caenogastropoda). Folia Malacol. 14: 99-168.


<< Back to the Caenogastropoda database