{"title":"New Species of the Genus Ochmazochiton (Mollusca, Polyplacophora) from the Lower Permian Reef Limestones of Shakhtau (Southern Cis-Urals)","authors":"A. V. Mazaev","doi":"10.1134/s003103012460032x","DOIUrl":null,"url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Eleven imprints of chiton valves from the Sakmarian of the Shakhtau reef massif (Bashkir Cis-Urals) are assigned to a new species <i>Ochmazochiton uralensis</i> sp. nov. Previously, the genus <i>Ochmazochiton</i> was known only from the type species described from the Lower and Middle Permian of Texas. Due to the unique preservation of the studied material, the structure of the aesthete pores is shown for the first time, and the structure of the insertion plates, the important morphological characters of the genus <i>Ochmazochiton</i>, the earliest representative of the order Chitonida, is clarified.</p>","PeriodicalId":19816,"journal":{"name":"Paleontological Journal","volume":"91 1","pages":""},"PeriodicalIF":0.7000,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Paleontological Journal","FirstCategoryId":"89","ListUrlMain":"https://doi.org/10.1134/s003103012460032x","RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PALEONTOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Eleven imprints of chiton valves from the Sakmarian of the Shakhtau reef massif (Bashkir Cis-Urals) are assigned to a new species Ochmazochiton uralensis sp. nov. Previously, the genus Ochmazochiton was known only from the type species described from the Lower and Middle Permian of Texas. Due to the unique preservation of the studied material, the structure of the aesthete pores is shown for the first time, and the structure of the insertion plates, the important morphological characters of the genus Ochmazochiton, the earliest representative of the order Chitonida, is clarified.
期刊介绍：
Paleontological Journal (Paleontologicheskii zhurnal) is the principal Russian periodical in paleontology. The journal publishes original work on the anatomy, morphology, and taxonomy of fossil organisms, as well as their distribution, ecology, and origin. It also publishes studies on the evolution of organisms, ecosystems, and the biosphere and provides invaluable information on global biostratigraphy with an emphasis on Eastern Europe and Asia.
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