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Mahide, Castille and Leon, Spain
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Lagostelle, Galicia, Espaa
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Lardero, La Rioja, Spain
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Logroo, La Rioja, Espaa
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A conjugating pair of Acanthostomella norvegica from the Chukchi Sea in 2012. Z stack of images made with a 60x objective, DIC optics, lugol's preserved specimens.
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Galende, Castile and Len, Spain
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Galende, Castile and Len, Spain
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Galende, Castile and Len, Spain
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Galende, Castile and Len, Spain
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, Catalunya, Espaa
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Sobrado, Galicia, Spain
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Trujillo, Extremadura, Espaa
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Muelas del Pan, Castille and Leon, Spain
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Lumbreras, La Rioja, Spain
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Grove, O, Galicia, Spain
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Grove, O, Galicia, Spain
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Grove, O, Galicia, Spain
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Grove, O, Galicia, Spain
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Grove, O, Galicia, Spain
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From the Bay of Villefranche in December 2013, lugol's-fixed specimen, Z-stack of images made using a 60x objective and DIC optics.
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Drawing from Claparde & Lachmann 1858 (Plate 8, figure 5) of the species now known as Steenstrupiella steenstrupii as "Tintinnus steenstrupii". The scale bar reflects the text description (pg 200) as about 0.2 mm in overall length. The species (and now genus) was presumably named after the Danish biologist Japetus Steenstrup (1813-1897).
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Ribadelago de Franco, Castille and Leon, Spain