engleski

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Congeria baschi n.sp. and Congeria susedana n.sp. are two new species from the Pannonian sediments of the Medvednica Mt. (NW Croatia). C. baschi n.sp. was found in the Lower Pannonian limestones, and C. susedana was collected from the Upper Pannonian marls. Relationships with the affiliated taxa enable reconstruction of a phyletic lineage beginning with Congeria soceni JEKELIUS, through C. baschi n.sp., to Congeria banatica HOERNES. C. banatica is the ancestor of two branches, leading to C. susedana n.sp. and C. vugroveci SREMAC, respectively. Dreissenomya digitifera (ANDRUSOV) is the probable descendant of C. vugroveci. The accompanying assemblages of fossil molluscs and ostracods from the same horizons facilitate the precise stratigraphic and palaeoenvironmental positioning of the new taxa.

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