摘要：By the side of the three already known separate populations of relic stygobiont bivalves of the genus Congeria in the Dinaric karst (Bela Krajina /Slovenia/, western Bosnia /Bosnia and Herzegovina/ and Dalmatia-Herzegovina /Croatia – Bosnia and Herzegovina/) a new population has been found in the underground area of North Velebit, in the drain part of the Lika River, Croatia. After the discovery of part of a shell on the bottom of Lukina Jama pit (–1392 m deep), thousands of specimens of Congeria have been found in Markov Ponor, all the way through more than 1700 m of underground tunnels. As well as a list of associated fauna, a description is provided of some of the ecological factors of the biotope whose temperature reaches a maximum of +6 °C, the lowest temperature in the habitats known.
关键词：stygobiont bivalve; Dreissenidae; Congeria; new locality; Lika River; Croatia
