古栉齿亚纲
双壳纲的一亚纲。等壳较小，文石质，内壳层多为珠母质。铰齿栉齿型。多具内韧带，或具外韧带，等柱闭壳肌，外套线多完整，或具浅外套湾，成年体无足丝，现生代表具原鳃。全为海生，游移底栖生活。寒武纪至现代。化石有粟蛤(Nucula)、梳齿蛤(Ctenodonta)等。
Classification(s)
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Geographic semantic resource library Earth System(in Chinese) Paleontology
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| English |
|---|
| Name | Palaeotaxodonta |
| Chinese |
|---|
| Name | 古栉齿亚纲 |
| Description | 双壳纲的一亚纲。等壳较小，文石质，内壳层多为珠母质。铰齿栉齿型。多具内韧带，或具外韧带，等柱闭壳肌，外套线多完整，或具浅外套湾，成年体无足丝，现生代表具原鳃。全为海生，游移底栖生活。寒武纪至现代。化石有粟蛤(Nucula)、梳齿蛤(Ctenodonta)等。 |
{{htmlJSON.HowtoCite}}
NNU_Group (2011). 古栉齿亚纲, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/28edf311-124c-43fe-ac28-fe4548e11160
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