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首页> 外文期刊>Neues Jahrbuch fur Geologie und Palaontologie. Abhandlungen >The otoliths from the middle Paleocene of Luzanivka (Cherkasy district, Ukraine)
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The otoliths from the middle Paleocene of Luzanivka (Cherkasy district, Ukraine)

机译：Luzanivka中古新世的耳石（乌克兰切尔卡瑟区）

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摘要

Fish otoliths are described from the middle Paleocene (Selandian) from temporary out-crops at Luzanivka, Cherkasy district, Central Ukraine. A total of 26 species are described, 15 as newly established and 5 in open nomenclature. This is the first record of Paleocene otoliths from the Ukraine and the central Ukrainian Basin, which formed the most westward extension of the Caspian Basin during early Tertiary times. As a consequence the fauna from Luzanivka shows a consider-able regional differentiation from the better known Paleocene otolith-based fish faunas of central and western Europe, which is expressed in the high amount of new species. The location is on the fringes of the basin, on the stable Ukrainian shield south of the deep Dnjeper graben in a shallow, near shore environment with coral patches. The first fossil occurrence of a relative of the recent 'gar-den eels' is remarkable in this respect (Heteroconger astroblematicus n. sp.). Of particular interest from a phylogenetic point of view are certain gadiform otoliths (genus Merlucciidarum antiquus n. sp. and Maorigadus ukrainicus n. sp., the latter probably related to the basal gadiform family Muraenolepididae) and very plesiomorphic percoid otoliths (genus Epigonidarum tyassminensis n. sp., genus Sparidarum spatiatus n. sp., genus Haemulidarum gullentopsi and genus Haemulidarum makarenkoi n. sp.). Further new taxa described are: Chlorophthalmus udovichenkoi n. sp., Arius subtilis n. sp., Fierasferoides bucculentus n. sp., Gadophycis serratus n. sp., Ogilbia luzanensis n. sp., genus Bythitidarum rozenbergi n. sp., Centroberyx anguinicauda n. sp., genus Holocentridarum ryabchuni n. sp. and genus Leiognathidarum tashlikensis n. sp.
机译：乌克兰中部切尔卡瑟地区卢扎尼夫卡的临时露头中古新世（Selandian）中段描述了鱼类耳石。总共描述了26种，其中15种是新建立的，5种是开放命名的。这是来自乌克兰和乌克兰中部盆地的古新世耳石的第一笔记录，这是第三纪初期里海盆地最西端的延伸。结果，来自卢扎尼夫卡的动物区系与中欧和西欧比较著名的以古新世耳耳石为基础的鱼类动物区系存在相当大的区域差异，这以大量新物种表示。该位置在盆地的边缘，在深Dnjeper南部的稳定的乌克兰盾牌上，该盾牌在一个浅浅，近岸的环境中被珊瑚覆盖。在这方面，最近的“ gar-den鳗鱼”的近亲的第一次化石发生是显着的（Heteroconger astroblematicus n.sp.）。从系统发生学的角度来看，特别令人感兴趣的是某些弓形耳石（Merlucucciidarum antiquus n。sp。和Maorrigadus ukrainicus n。sp。，后者可能与基底弓形目Muraenolepididae有关）和非常多态的过环耳石耳石（Epigonidaensis ，Sparidarum spatiatus属，Haemulidarum gullentopsi属和Haemulidarum makarenkoi属。描述的其他新分类单元是：Chlorophthalmus udovichenkoi n。 sp。，Arius subtilis n。 sp。，Fierasferoides bucculentus。 sp。，Gadophycis serratus n.。 sp。，Ogilbia luzanensis n。属，Bythitidarum rozenbergi属。 sp。，Centrooberyx anguinicauda n。属，Holocentridarum ryabchuni属。 sp。 tashlikensis Leiognathidarum tashlikensis属。 sp。

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