{"refrec":{"BRefID":332848,"RR":"<b>Chaban, E.M.</b> (2020). New data on <i>Roxania</i> Leach, 1847 (Gastropoda: Heterobranchia) from the Sea of Marmara based on materials of the Russian expedition in 1894. <i>Tr. ZIN = Proc. Zool. Inst. RAN 324(4)</i>: 535-547. <a href=\"https://dx.doi.org/10.31610/trudyzin/2020.324.4.535\" target=\"_blank\">https://dx.doi.org/10.31610/trudyzin/2020.324.4.535</a>","BEntID":326460,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":". <i>Tr. ZIN = Proc. Zool. Inst. RAN 324(4)</i>: 535-547. <a href=\"https://dx.doi.org/10.31610/trudyzin/2020.324.4.535\" target=\"_blank\">https://dx.doi.org/10.31610/trudyzin/2020.324.4.535</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Chaban, E.M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Chaban, E.M.","Englishabstract":"Heterobranch specimens of the genus <i>Roxania </i>collected during the Russian expedition (1894) aboard the Turkish steamship <i>Selânik </i>to the Sea of Marmara are found in the collection of the Zoological Institute of the Russian Academy of Sciences (Saint Petersburg). One of the aims of the expedition was investigation of the fauna of the Sea of Marmara including its deepest zone to compare with the Black Sea. In 1896 A.A. Ostroumoff published a report on the expedition. Heterobranch mollusks of the genus <i>Roxania</i> are represented in our material by two lots from the first voyage of the expedition to the archipelago of the Prince Islands<i>. </i>The specimens were identified by K.O. Milaschewitsch as <i>Roxania utriculus </i>(Brocchi, 1814) and “<i>Cryptaxis imperforatus </i>n. sp.”, but a description of the last taxon has not been published. In this study, the specimens labeled by Milachewitch as <i>Cryptaxis imperforatus </i>n. sp. were identified as belonging to <i>Roxania monterosatoi </i>Dautzenberg et H. Fischer, 1896. The species is recorded for the Sea of Marmara for the first time; the description and illustrations of the species are presented. Most species of gastropod mollusks collected during the expedition including all samples of <i>Roxania</i> were represented by empty shells. Taxonomical value of the columella morphology in <i>Roxania</i> species is discussed. Based on this character the species of the genus can be divided into two groups: <i>R. utriculus </i>species group (mouth channeled) and <i>R. monterosatoi </i>species group (mouth without a channel). Morphological and molecular phylogenetic investigations are needed to clarify the status of these two groups.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"New data on <i>Roxania</i> Leach, 1847 (Gastropoda: Heterobranchia) from the Sea of Marmara based on materials of the Russian expedition in 1894","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-05-21 01:33:40.255559","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Sea of Marmara, taxonomy, Alacuppidae, Cephalaspidea, Gastropoda, Roxania","OtherDescriptors":null,"Notes":null,"AnaPub":2020,"MonPub":null,"DateUpdate":"2021-01-20","DateCreate":"2021-01-20","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1,"DOI":"10.31610/trudyzin/2020.324.4.535"},"refs":null,"anarec":{"AnaID":332848,"PubliDate":2020,"Pagination":"535-547","XtraPublOfAnaID":null,"ISBN":null,"Volume":"324","Issue":"4","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43982,"SerRR":"Trudy Zoologicheskogo Instituta Rossijskoj Akademii Nauk = Proceedings of the Zoological Institute Russian Academy of Sciences. 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