Korytnica is a village in the administrative district of Gmina Sobków, within Jędrzejów County, Świętokrzyskie Voivodeship, in south-central Poland. It lies approximately south-east of Sobków, east of Jędrzejów, and south of the regional capital Kielce.
The village is famous for a palaeontological locality situated nearby. It yielded several Miocene species, above all gastropods. Some of these fossil animals were named after the village, like for example the bryozoan Stephanollona korytnicensis.
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