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The species now known as Rhabdonella spiralis was described by Hermann Fol based on specimens from the Bay of Villefranche. Drawing on the left is from his 1881 publication (available from the Aquaparadox website: Classic Taxonomic Monographs). Arrow on the inset of Villefranche from the late 1800's shows the Lazaret where Fol had his laboratory.
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Specimen from the BOUM cruise
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Hermann Fol's drawing from the original description (1881) with his corrected dimensions (1884). False brown color added to the ciliate cell
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A living specimen retracted into its lorica (shell) and an empty lorica. From the Bay of Villefranche. Z-stack of photomicrographs made using a 20x objective and DIC optics.
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Hermann Fol's drawing from the original description (1881) with his corrected dimensions (1884). False brown color added to the ciliate cell
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From the Bay of Villifranche. The large conical things are tintinnids, the smaller round things are dinoflagellates, the thin stick is a diatom.
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