{"title":"修订日本海沟两种双壳类动物（双壳目：Thyasiridae）的属位，并引入新属 Tartarothyas","authors":"P. G. Oliver, Chong Chen","doi":"10.61733/jconch/1405","DOIUrl":null,"url":null,"abstract":"The hadal bivalves from the Japan Trench originally described as Maorithyas hadalis and Parathyasira kaireiae are reassigned to the genera Tartarothyas n. gen. and Spinaxinus, respectively. The shell, anatomy, and fine structure of the ctenidia are described, and based on these the new genus Tartarothyas is introduced. Both species have modified ctenidia to host chemosymbiotic bacteria; those of Tartarothyas n. gen. is partly tubular in structure, whereas those of Spinaxinus is of fleshy lamellae.","PeriodicalId":0,"journal":{"name":"","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Revision of the generic placement of two hadal bivalves (Bivalvia: Thyasiridae) from the Japan Trench, with the introduction of a new genus, Tartarothyas\",\"authors\":\"P. G. Oliver, Chong Chen\",\"doi\":\"10.61733/jconch/1405\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The hadal bivalves from the Japan Trench originally described as Maorithyas hadalis and Parathyasira kaireiae are reassigned to the genera Tartarothyas n. gen. and Spinaxinus, respectively. The shell, anatomy, and fine structure of the ctenidia are described, and based on these the new genus Tartarothyas is introduced. Both species have modified ctenidia to host chemosymbiotic bacteria; those of Tartarothyas n. gen. is partly tubular in structure, whereas those of Spinaxinus is of fleshy lamellae.\",\"PeriodicalId\":0,\"journal\":{\"name\":\"\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0,\"publicationDate\":\"2024-03-09\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"\",\"FirstCategoryId\":\"99\",\"ListUrlMain\":\"https://doi.org/10.61733/jconch/1405\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.61733/jconch/1405","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
摘要
将原描述为 Maorithyas hadalis 和 Parathyasira kaireiae 的日本海沟双壳类分别重新归入 Tartarothyas n. gen. 属和 Spinaxinus 属。描述了栉水母的外壳、解剖结构和精细结构，并在此基础上引入了新的 Tartarothyas 属。这两个物种的栉壳都经过改造，可以寄生化合细菌；Tartarothyas n. gen. 的栉壳部分呈管状结构，而 Spinaxinus 的栉壳则呈肉质片状结构。
Revision of the generic placement of two hadal bivalves (Bivalvia: Thyasiridae) from the Japan Trench, with the introduction of a new genus, Tartarothyas
The hadal bivalves from the Japan Trench originally described as Maorithyas hadalis and Parathyasira kaireiae are reassigned to the genera Tartarothyas n. gen. and Spinaxinus, respectively. The shell, anatomy, and fine structure of the ctenidia are described, and based on these the new genus Tartarothyas is introduced. Both species have modified ctenidia to host chemosymbiotic bacteria; those of Tartarothyas n. gen. is partly tubular in structure, whereas those of Spinaxinus is of fleshy lamellae.
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