Small-mammal remains are found in three outcrops in the open pit lignite mine near Bugojno (Bosnia and Herzegovina). Despite the low amount of specimens, two Democricetodon species, which differ in size, are identified. The co-occurrence of two Democricetodon species is common in many late early and middle Miocene European small-mammal assemblages. The presence of both D. mutilus and D. gracilis allows a correlation to MN4–MN6.

中文翻译：

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来自波斯尼亚和黑塞哥维那露天褐煤矿Gračanica（中新世中部布戈尼）的小型哺乳动物

在布戈诺（波斯尼亚和黑塞哥维那）附近的露天褐煤矿场的三个露头中发现了小哺乳动物遗骸。尽管标本数量少，但仍鉴定出两种大小不同的Demo足类。在许多中新世早期和中晚期的欧洲小哺乳动物组合中，两种Demo蛇物种同时存在。二者的存在D. mutilus和D.眼虫允许MN4-MN6的相关性。