Observations on the nature and significance of the particles used by Tintinnida during lorica-building

Observations on the nature and significance of the particles used by Tintinnida during lorica-building
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DOI:
10.2307/3225353
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发表时间:
1976
期刊:
Transactions of the American Microscopical Society
影响因子:
--
通讯作者:
K. Gold;E. A. Morales
K. Gold;E. A. Morales
中科院分区:
其他
文献类型:
--
作者:
K. Gold;E. A. Morales

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有证据表明,洛里卡建筑中使用的某些材料具有选择性,而且似乎还根据尺寸对颗粒进行了选择。不同标本的鳞片上生源与非生源物质的比例存在显著差异,这似乎具有分类意义。某些物种显然在沉积物中产生洛里卡;其他物种的发育似乎发生在水柱中。
Evidence is found of selectivity for certain materials used in lorica-building, and there appears to be selection for particles according to size as well. There are striking differences in the proportions of biogenic: non-biogenic materials on the loricae of various specimens, and this appears to have taxonomic significance. Certain species apparently produce the lorica in the sediments; the development of others appears to take place in the water column.