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From an Indian mangrove wetland. Note that the only difference between T. nana and T. minuta is the end of the lorica is rounded (minuta) or pointed (nana).
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Tintinnopsis nana (Lohmann 1908). Specimens from the Ganges River estuary. Note that only the shape of the end of the lorica (pointed or rounded) seperates T. nana from T. minuta.
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Specimen from Scripps Canyon area in July 2009
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Fig 1: Tintinnopsis nana Line drawings a: Original drawing from Lohmann,1908; b. Drawing from a Lugol?s fixed specimen.
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Fig 2: Tintinnopsis nana - Schematic drawing of lorica morphology, after Kofoid & Campbell, 1929
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Fig 3: Tintinnopsis nana - Schematic drawing of lorica morphology, after Marshall, 1969
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Fig 4: Tintinnopsis nana - Lugol?s fixed cell, lateral view, lorica morphology.