{"title":"New Radiolarian Species of the Genus Foremanina Empson-Morin from the Maastrichtian of the Lefkara Formation, Cyprus","authors":"L. G. Bragina","doi":"10.1134/s0031030124600392","DOIUrl":"https://doi.org/10.1134/s0031030124600392","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Numerous representatives of the genus <i>Foremanina</i> Empson-Morin, 1981, emend. nov. were studied from the Upper Cretaceous (Maastrichtian) of the Lefkara Formation (Cyprus). The diagnosis of the genus <i>Foremanina</i> is emended. The new species <i>F. macropora</i> sp. nov., <i>F. coronata</i> sp. nov. and <i>F. ornata</i> sp. nov. are described. <i>F. macropora</i> sp. nov. is recorded for the first time in the Campanian of Sakhalin. The paleogeographic distribution of genus <i>Foremanina</i> is expanded to include the Tethyan Realm and Pacific Realm including the Mid-Pacific Mountains and Hokkaido–Sakhalin paleobasin. The latest representatives of <i>Foremanina</i> were found for the first time in the upper Maastrichtian of Cyprus. The stratigraphic range of the genus <i>Foremanina</i> is expanded.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":"78 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141939762","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Eucladoceros orientalis (Artiodactyla, Cervidae) from the Lower Pleistocene of the Taurida Cave, Crimea, and Its Systematic Position","authors":"I. A. Vislobokova","doi":"10.1134/s0031030124600379","DOIUrl":"https://doi.org/10.1134/s0031030124600379","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The large comb-antlered deer <i>Eucladoceros orientalis</i> (Radulesco et Samson, 1967) is recorded in the Early Pleistocene fauna (1.8–1.5 Ma) of Taurida Cave, Crimea. The proximal parts of two antlers, two incomplete upper jaws, a lower jaw, dentition, and a metatarsal bone are described. New data on the morphology of this species confirm its assignment to the genus <i>Eucladocero</i>s. <i>E. orientalis</i>, an autochthonous species of the Early Pleistocene fauna of the Northern Black Sea region, is characteristic of the Psekupsian faunal complex of southern Eastern Europe.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":"19 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141939768","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Cambrian Microfossils of the Genus Corollasphaeridium: New Interpretation and Revision of Systematics","authors":"O. V. Dantes, K. E. Nagovitsin, E. G. Raevskaya","doi":"10.1134/s0031030124600343","DOIUrl":"https://doi.org/10.1134/s0031030124600343","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Bell-shaped microfossils found in Lower Cambrian Tommotian of the Siberian Platform were compared with morphologically similar forms of the Lower Cambrian of Australia, assigned to the acritarch genus <i>Corollasphaeridium</i> (Martin in Dean et Martin, 1982) Martin, 1992 (Gravestock et al., 2001). Revision of the genus using geometric-morphometric method allowed us to justify the separation of Siberian and Australian forms into a separate genus <i>Spicaticampaniformis</i> gen. nov. with two species in its composition. A description of the new genus is given and supplemented descriptions of species of <i>S. aliquolumus</i> and <i>S. opimolumus</i>. According to the revealed characteristics of their structure, excluding the form of a whole closed body, inherent to acritarchs, and taking into account the variability of features comparable with model organisms (priapulids, acanthocephalans, chitinozoa), the assignment of the genera <i>Corollasphaeridium</i> and <i>Spicaticaticampaniformis</i> to the Metazoa group is proposed. General regularities in the variation of species of <i>Spicaticampaniformis opimolumus</i> and Acanthocephala, which may indicate similar ecomorphotypes, as well as <i>Corollasphaeridium wilcoxianum</i> and Priapulida, which may also be ecomorphotypes, are described.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":"50 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141939761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Early Phylogeny of the Permian Superfamily Popanoceratoidea Hyatt (Ammonoidea)","authors":"T. B. Leonova","doi":"10.1134/s0031030124600331","DOIUrl":"https://doi.org/10.1134/s0031030124600331","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>This paper discusses the origin of the superfamily Popanoceratoidea Hyatt and substantiates the hypothesis that the suborder Cyclolobina (order Goniatitida) evolved from the family Glaphyritidae Ruzhencev et Bogoslovskaya. The genus <i>Tabantalites</i> Ruzhencev is proposed as an intermediate form between Vidrioceratidae Plummer et Scott and Popanoceratidae Hyatt. The early phylogeny of popanoceratids in the Early Permian is considered in detail (<i>Protopopanoceras</i> → <i>Propopanoceras</i> → <i>Popanoceras, Pamiropopanoceras</i>). Biogeography of Popanoceratoidea is discussed.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":"18 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141939763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"New Data on the Morphology and Distribution of Kotlassia prima Amalitzky (Tetrapoda, Seymouriamorpha)","authors":"V. V. Bulanov","doi":"10.1134/s0031030124600380","DOIUrl":"https://doi.org/10.1134/s0031030124600380","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>New data on the morphology and distribution of the kotlassiid <i>Kotlassia prima</i> Amalitzky (Seymouriamorpha) are provided based on fragmentary remains from five upper Permian localities in Eastern Europe. The new finds suggest the absence of a seismosensory system at the final stages of ontogeny in <i>K. prima</i> that may indicate a more terrestrial ecology for this species in the adult state in comparison with other late Permian representatives of the family (<i>Microphon</i> spp.), for which the paedomorphic features in the cranial and postcranial anatomy are common. The homodont dentition and the simple shape of the teeth allow interpretation of <i>K. prima</i> as a predator with a wide trophic niche, the prey of which was determined by resources of the specific biotopes and might include both invertebrates and relatively small vertebrates. The new finds show that <i>K. prima</i> was typical for tetrapod associations of the northeast of the East European Platform, extend the stratigraphic range of the genus <i>Kotlassia</i> up to the terminal Permian (Zhukovian), and indicate that the family Kotlassiidae maintained its taxonomic diversity until the Permo–Triassic cenotic crisis, continuing to play a significant role in vertebrate communities in the time preceding it.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":"33 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141939764","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Mosasaurs (Squamata: Mosasauridae) from the Upper Cretaceous of the Southern Urals","authors":"D. V. Grigoriev, N. G. Zverkov, A. V. Nikiforov","doi":"10.1134/s0031030124600355","DOIUrl":"https://doi.org/10.1134/s0031030124600355","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>The study of new finds of mosasaurids from the Izhberda locality (Southern Urals, Orenburg Region) has made it possible to record for the first time the presence of mosasaurs from the subfamilies Mosasaurinae, Tylosaurinae, and Plioplatecarpinae from the Upper Cretaceous of the Orenburg Region, including representatives of the genera <i>Mosasaurus</i>, <i>Prognathodon</i>, and <i>Clidastes</i>, which are known from the Upper Cretaceous of North America and Western Europe. Of interest is the discovery of the tylosaurine <i>Taniwhasaurus</i>, previously known from New Zealand, Antarctica, South Africa, and Japan. Therefore, the Campanian mosasaurid fauna of the Southern Urals is intermediate and includes North American–European and Asia–Pacific taxa. However, all the finds of mosasaurs from the Izhberda locality can only be identified in open nomenclature, which makes detailed comparisons of the faunas difficult. Revision of the type series of mosasaur <i>Liodon rhipaeus</i> Bogolyubov, 1910 from the Southern Urals has allowed us to conclude that, in addition to the three mosasaurian vertebrae, it includes the ischium and posterior fragment of the mandible of a plesiosaur. <i>Liodon rhipaeus</i> is clearly a nomen dubium and the vertebrae of its type series cannot be identified more precisely than Tylosaurinae indet.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":"17 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141939766","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A Vulture of the Genus Torgos (Aves: Accipitridae) in the Late Pleistocene of Azerbaijan","authors":"V. O. Gorbatcheva, N. V. Zelenkov","doi":"10.1134/s0031030124600367","DOIUrl":"https://doi.org/10.1134/s0031030124600367","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Old World vultures (Aves: Accipitridae: Gypini) are large diurnal birds of prey, the characteristic inhabitants of open biotopes in Africa and southern Eurasia. Fossil remains of vultures are rather rare; the evolution of the group is poorly studied. This article describes the skull and tarsometatarsus of the large vulture <i>Torgos platycephalus</i> sp. nov. from the Upper Pleistocene of the Binagadi locality (Azerbaijan). This is the first fossil record of the genus in the Caucasus and second confirmed record outside its current range (<i>Torgos</i> sp. is also known from the Middle Pleistocene of China). The coexistence of three species of large scavengers in the Late Pleistocene of the Absheron Peninsula (in addition to <i>Torgos platycephalus</i>, <i>Aegypius monachus</i> and <i>Gyps</i> <i>fulvus</i> are also known from the Binagadi locality) can be explained by the richness of the food supply, which included a noticeable diversity of large mammals.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":"30 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141939767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"New Data on the Upper Ediacaran Microbiota of Zuun-Arts (Zavkhan Terrane, Western Mongolia)","authors":"P. Yu. Petrov, N. G. Vorob’eva, A. L. Ragozina","doi":"10.1134/s0031030124600306","DOIUrl":"https://doi.org/10.1134/s0031030124600306","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Microfossils and problematics from the Upper Ediacaran deposits of the Zuun-Arts Formation of the Zavkhan Terrane of Western Mongolia are discussed. For the first time, various organic remains preserved in mineralized and organic-clay taphocenoses have been described from these deposits. Numerous tubular microfossils are interpreted as remains of the sheaths of the giant sulfide-oxidizing <i>Thioploca</i> bacteria <i>Candidatus Marithioploca araucae</i>. Autochthonous and allochthonous components of the microbiota were identified, and the possible depositional-ecological environment of the paleobasin was reconstructed.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":"120 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141969111","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The First Representative of the Ichthyosaur Genus Platypterygius from the Albian of Western Kazakhstan","authors":"J. B. Yakupova, K. M. Akhmedenov","doi":"10.1134/s003103012460029x","DOIUrl":"https://doi.org/10.1134/s003103012460029x","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>An incomplete skeleton of a large ichthyosaur is described from the Upper Albian Substage of the Mangystau region of Western Kazakhstan. It consists of fragments of cranial bones (including a quadrate bone), fragments of the parietal, supratemporal, and maxillary bones, teeth, and a significant part of the spinal column of 38 vertebrae, as well as fragments of neural arches and ribs. The shape of the quadrate bone and strong teeth with a square root in cross section suggest that this find belongs to the genus <i>Platypterygius</i>.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":"196 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141939765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"An Exceptionally Large Upper Jaw of Lytoceratoidea from the Upper Bajocian (Middle Jurassic) of the Northern Caucasus","authors":"V. V. Mitta, A. A. Mironenko","doi":"10.1134/s0031030124600318","DOIUrl":"https://doi.org/10.1134/s0031030124600318","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>A large-sized upper jaw of an ammonite from the <i>Niortense</i> Zone of the Upper Bajocian of the Kuban basin (Karachay-Cherkessia) is described. In its anterior part a pointed calcified structure (rhyncholite) is located. Judging by its shape and size, the upper jaw belonged to a species of the genus <i>Lytoceras</i> (family Lytoceratidae), the lower jaw of which was already described from the same area immediately below in the section. The presence of a rhyncholite allows us to attribute the new finding to the rhynchaptychus type of ammonoid jaws. This is the earliest known complete jaw of this type and, to date, the only known upper jaw of Lytoceratina. Probably, calcification of the anterior part of the jaw apparatus of ammonoids of the suborders Lytoceratina and Phylloceratina was a normal process occurring as the mollusk matured.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":"21 1","pages":""},"PeriodicalIF":0.6,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141939773","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}