Microcolpia parreyssii (Philippi, 1847)
Parreys snail, bordás homorcsa, váradi maradványcsiga, melcul termal
Taxonomy & Nomenclature
Synonyms: Melania parreyssii Philippi, 1847; Melanopsis parreyssii (Philippi, 1847); Melanopsis hungarica Kormos, 1904
Conservation Status
Extinct in the Wild (Sîrbu & Benedek, 2016) or Extinct (Ford, 2024)
Last (wild) record: mid-2010's or before (Ford, 2024)
IUCN RedList status: Critically Endangered (species assessment); Extinct (under account for Scardinius racovitzai)
"The lake was heavily-vegetated and supported two other endemic taxa, comprising the melanopsid gastropod Microcolpia parreyssii, which has been globally extinct since the mid-2010s, and water lily subspecies Nymphaea lotus var. thermalis, small numbers of which survive at several other locations in the Peța River system."
(Ford, 2024)
Distribution & Habitat
Bulgaria (introduced), Hungray (introduced) & Pețea (=Ochiul Mare), vicinity of Oradea, Bihor County, northwestern Romania (endemic)
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Bank, R., von Proschwitz, T. and Falkner, G. (2006). Unpublished manuscript of the mollusca section of the Fauna Europea web-site (http://www.faunaeur.org).
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.
Fehér, Z. (2011). Melanopsis parreyssii. The IUCN Red List of Threatened Species 2011: e.T155737A4835365. https://dx.doi.org/10.2305/IUCN.UK.2011-1.RLTS.T155737A4835365.en. Downloaded on 08 April 2017.
Fehér, Z., Majoros, G. and Varga, A. (2006). A scoring method for the assessment of rarity and conservation value of the aquatic molluscs in Hungary. Heldia 6: 101-114.
Ford, M. (2024). Scardinius racovitzai. The IUCN Red List of Threatened Species 2024: e.T19948A137328770. https://dx.doi.org/10.2305/IUCN.UK.2024-2.RLTS.T19948A137328770.en. Accessed on 02 June 2025.
Sîrbu, I. and Benedek, A. M. (2016). Requiem for Melanopsis parreyssii or the anatomy of a new extinction in Romania. Tentacle 24: 26-28.
Sîrbu, I., Gagiu, A. and Benedek, A. M. (2013). On the brink of extinction: fate of the Peţea thermal lake (Romania) and its endemic species. Tentacle 21: 35-37.
https://extinctanimals.proboards.com/thread/20787/melanopsis-parreyssii