Middle Miocene otoliths of freshwater fishes from the Vracevic Lake (Serbian Lake System)

Author:

Bradic-Milinovic Katarina1,Rundic Ljupko2ORCID,Schwarzhans Werner3

Affiliation:

1. Geological Survey of Serbia, Belgrade, Serbia

2. University of Belgrade, Faculty of Mining and Geology, Department of Regionai Geology, Belgrade, Serbia

3. Natural History Museum of Denmark, Zoological Museum, Kobenhavn, Denmark

Abstract

The Serbian Lake System (SLS) is a key area for early to middle Miocene freshwater environments in southeastern Europe. Here, we describe a rich fossil association of freshwater fish otoliths of late Badenian to early Sarmatian (Serravallian, MN 7+8 zone) age. The studied material was collected from several small outcrops along the Grabovac stream near Vracevic. The Vracevic locations are part of the Valjevo?Mionica Basin (VMB). We identified nine different species, including two in open nomenclature and three new to science: Aphanius jeani, Aphanolebias bettinae n.sp., Klincigobius andjelkovicae, Klincigobus haraldahnelti n. sp., Klincigobius serbiensis, Klincigobius sp., Ponticola sp., Toxopyge campylus, Toxopyge vracevicensis n.sp. We found that the composition of this fish fauna correlates well with the slightly older fauna from the early to middle Miocene of Klinci. Both localities were most likely part of a continuous environment during the existence of the Valjevo?Mionica Basin. The composition of the community of freshwater gobies from the early to early middle Miocene of southeastern Europe indicates the presence of a ?lost? Miocene freshwater goby fish fauna that existed prior to and was unrelated to the Ponto-Caspian fish fauna that prevails today. The new data may prove to be helpful in reconstructing the paleogeographical evolution of the Valjevo?Mionica Basin in detail.

Publisher

National Library of Serbia

Subject

Paleontology,Stratigraphy,Economic Geology,Geochemistry and Petrology,Geology,Geophysics,Geotechnical Engineering and Engineering Geology

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