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Kovalchuk O.M.,National Museum of Natural History NAS of Ukraine
Vestnik Zoologii | Year: 2013

A new fossil species Perca neopleistocenica Kovalchuk, sp. n. from Southern Ukraine is described. It differs from other species of the genus by width and configuration of praeoperculum, and also by quantity of cogs on the posterior edge of os praeoperculare. Source


Kovalchuk O.M.,National Museum of Natural History NAS of Ukraine
Vestnik Zoologii | Year: 2015

Until now, fossil remains of Hucho Gunther, 1866 are known only from the Oligocene-middle Miocene strata of Baikal Russia, and from the late Pleistocene of Germany. New specimens, now identified as Hucho sp., come from the late Miocene of southern Ukraine. Numerous fragments of opercular bones and jaw teeth, morphologically similar to those in the extant genus Hucho, were found in Kubanka 2, Cherevychnoe 3, Tretya Krucha localities and dated by the late Sarmatian-early Maeotian (10-8 Ma). Th ese remains document the first appearance of huchen in geological past of Europe, filling in gap in distribution of this genus during the late Neogene, and throw light upon its biogeographical history. Source


Peskov V.N.,Schmalhausen Institute of Zoology NAS of Ukraine | Sinyavskaya I.A.,Schmalhausen Institute of Zoology NAS of Ukraine | Emelyanov I.G.,National Museum of Natural History NAS of Ukraine
Vestnik Zoologii | Year: 2012

The amount of input and the interrelation of various forms of group variability of quantitative traits in general morphological disparity of M. socialis in the peak phase of the population abundance was studied. It was found that the variability of 4 exterior and 11 interior traits are determined primarily by the age of the animals, whereas the influence of sex and the season is very low. With ageing, the intensity of sexual differences and seasonal variability increase. The correlated variability of morphological traits was almost the same (Rs = 0.820-0.98) in males and females during different seasons. Source


Apoltsev D.A.,National Museum of Natural History NAS of Ukraine | Rekovets L.I.,National Museum of Natural History NAS of Ukraine
Vestnik Zoologii | Year: 2015

Beavers of the Genus Trogontherium (Castoridae, Rodentia) from the Late Miocene of Ukraine. Apoltsev, D. A., Rekovets, L. I.-The description of teeth and cranial fragments of extinct beavers, belonging to the genus Trogontherium Fischer von Waldheim, 1809 from Late Miocene strata of Ukraine, is presented in this paper. Their comparison with contemporaneous remains from localities in Europe and Asia is conducted. New data on systematics and paleogeography of Trogontherium (Euroxenomys) minutum minutum Meyer, 1938 and T. (Euroxenomys) minutum rhenanum Franzen, Storch, 1975, and also about their possible phylogenetic connections with the most ancient representatives of the family Castoridae are presented. © 2016 by D. A. Apoltsev. Source

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