Bessarabian (Tortonian, Late Miocene) fish otoliths from a transitional freshwater-brackish environment of Mykhailivka, Southern Ukraine

Bratishko, Andriy; Kovalchuk, Oleksandr; Scwarzhans, Werner

doi:10.26879/769

Cited by 8 publications

(17 citation statements)

References 16 publications

(24 reference statements)

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“…This is an additional argument for the Central Paratethyan origin of some members of the Volhynian Eastern Paratethyan fauna. During the Late Miocene, a restricted marine environment prevailed in the Eastern Paratethys (Bratishko et al, 2017), while the Central Paratethys developed into the brackish Pannonian Sea (Popov et al, 2004). The connection between different parts of the Paratethyan realm was interrupted at the end of the Middle Miocene, leading to the development of the endemic mammalian megafauna in the Eastern Paratethys.…”

Section: Discussionmentioning

confidence: 99%

“…(Jasionowski et al, 2006). In Stăuceni, the 6 m high outcrop includes compacted or laminated ash-grey clays with fine sand laminae, dated as early Volhynian (Brânzilă, 1999). In Darabani and Drăgușeni, there are several bivalve species (including Inaequicostata inopinata and Obsoletiforma lithopodolica) and foraminifers (Cycloforina karreri ovata, Cycloforina karreri karreri, Elphidiella serena, and Elphidium reginum) indicating the early Volhynian age (Ionesi and Galan, 1988), as well as in the localities reported by Zaharia (1967, 1968).…”

Section: Geological Settingmentioning

confidence: 99%

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The Volhynian (late Middle Miocene) marine fishes and mammals as proxies for the onset of the Eastern Paratethys re-colonisation by vertebrate fauna

Gol’din

Haiduc

Kovalchuk

et al. 2020

Palaeontol Electron

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Section: Discussionmentioning

confidence: 99%

Section: Geological Settingmentioning

confidence: 99%

The Volhynian (late Middle Miocene) marine fishes and mammals as proxies for the onset of the Eastern Paratethys re-colonisation by vertebrate fauna

Gol’din

Haiduc

Kovalchuk

et al. 2020

Palaeontol Electron

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“…The Central and Eastern Paratethys remained connected through the Sarmatian s.s./Volhynian period and only thereafter, during the Pannonian, did both basins separate again with the Central Paratethys transforming into the brackish Lake Pannon, while restricted marine conditions persisted throughout at least the middle Sarmatian s.l. in the Eastern Paratethys (Bratishko et al, 2017;Gol'din et al, 2020;Popov et al, 2004Popov et al, , 2010Popov et al, , 2019ongoing research).…”

Section: Setting the Scenementioning

confidence: 99%

A rare window into a back-reef fish community from the middle Miocene (late Badenian) Medobory Hills barrier reef in western Ukraine, reconstructed mostly by means of otoliths

et al. 2022

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The Medobory Hills barrier reef in western Ukraine represents a unique environment during the late Badenian that existed for a relatively brief time. Here, we describe 170 specimens of otoliths and scarce skeletal elements that were collected in the back-reef environment of the central part of the barrier reef in the city of Horodok. They represent a rare window into a reef-associated bony fish fauna. The otolith assemblage is very diverse and differs in several aspects from time-equivalent otolith associations described from other regions and environments within the former Paratethys. The Medobory back-reef otolith assemblage is dominated by a highly diverse gobioid community, several of which are believed to reflect specific reef adaptations that have not been identified elsewhere. A total of 26 species have been identified, of which eight are described as new, including two new genera. In the order in which they are described, the new taxa are as follows: Gobiidae: Gobius bratishkoi n. sp., Gobius ukrainicus n. sp., Parenypnias n. gen. inauditus n. sp., Parenypnias n. gen. kiselevi n. sp., Medoborichthys n. gen. podolicus n. sp., and Medoborichthys n. gen. renesulcis n. sp.; Blenniidae: Blennius vernyhorovae n. sp.; and Labridae: Coris medoboryensis n. sp. The environmental implications of the otolith-based fish fauna are discussed, and a supraregional correlation of late Badenian otolith associations throughout the Paratethys is presented.

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“…Moderately slender and relatively large otoliths up to about 3.5 mm in length; OL:OH = 1.1-1.3. Thickness variable, OH:OT ranging from 2.8 to 4.0 in specimens from Jurkine, about 2.2 in type specimens figured in Bratishko et al (2017). Dorsal rim regularly curved anteriorly, with moderately developed postdorsal projection.…”

Section: Descriptionmentioning

confidence: 99%

“…Otoliths from the Sarmatian s.l. of the Eastern Paratethys are less well known and often in need for revision (see Bratishko et al 2015Bratishko et al , 2017. Furthermore, the fish fauna from the Bessarabian and Khersonian is much less well known, both in terms of otoliths and articulated skeletons.…”

Section: Introductionmentioning

confidence: 99%

The Endemic Marine Fish Fauna From the Eastern Paratethys Reconstructed From Otoliths From the Miocene (Middle Sarmatian S.L.; Bessarabian) of Jurkine (Kerch Peninsula, Crimea)

Bratishko

Schwarzhans

Vernyhorova

2023

RIPS

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Reconstructing fossil bony fish faunas using otoliths is a well-established method that allows a diverse and dense record in time and space to be assembled. Here we report about a rich otolith-based fish fauna from the middle Sarmatian s.l. (middle Bessarabian) from Jurkine, Kerch Peninsula, Crimea. The study is based on more than 5,000 specimens constituting 36 different species, 24 of which are new and 2 remain in open nomenclature. This assemblage represents the first major otolith association described from the Bessarabian. It also represents a fish fauna from the last continuous restricted marine environment that evolved in the Eastern Paratethys, was recruited from the Badenian/Tarkhanian fauna, and was not affected by the subsequent Khersonian crisis. The association of otoliths is characterized by a high content of endemic fishes that derived from the relatively well-known early Sarmatian s.l. (Volhynian) fish fauna, and it contains certain faunal elements that were trapped in the then-secluded Eastern Paratethys and did not range into younger strata. This forced endemic evolution explains the unusually high percentage of new taxa. The fish fauna is dominated by stenohaline marine shelf fishes apparently recruited from the Konkian and earlier Sarmatian s.l. (Volhynian) fauna after the Karaganian crisis. The families Gobiidae and Gadidae benefited most in this restricted marine environment, while deep-water fishes disappeared with the Karaganian crisis. In this study, we discuss the further evolution of Eastern Paratethyan fishes as far as can be reconstructed from the relatively limited data from post-Bessarabian strata, and we also outline targets for future research in the field. The stratigraphic sequence of the Jurkine section is being revised based on a detailed suite of benthic foraminifera. Implications for the stratigraphy of the middle and upper Sarmatian s.l., their boundary, and the paleoenvironments of this part of the Kerch Peninsula are discussed.

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Bessarabian (Tortonian, Late Miocene) fish otoliths from a transitional freshwater-brackish environment of Mykhailivka, Southern Ukraine

Cited by 8 publications

References 16 publications

The Volhynian (late Middle Miocene) marine fishes and mammals as proxies for the onset of the Eastern Paratethys re-colonisation by vertebrate fauna

The Volhynian (late Middle Miocene) marine fishes and mammals as proxies for the onset of the Eastern Paratethys re-colonisation by vertebrate fauna

A rare window into a back-reef fish community from the middle Miocene (late Badenian) Medobory Hills barrier reef in western Ukraine, reconstructed mostly by means of otoliths

The Endemic Marine Fish Fauna From the Eastern Paratethys Reconstructed From Otoliths From the Miocene (Middle Sarmatian S.L.; Bessarabian) of Jurkine (Kerch Peninsula, Crimea)

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