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Rattulus capucinus Werz. & Zach. Ventral view. The toe extends obliquely toward the observer, so that its full length is not seen.
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Rattulus capucinus Wierz. & Zach. Right side.
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Rattulus carinatus Lamarck. Dorsal view.
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Rattulus cylindricus Imhof. From Lake Bologoe, Russia, left side of retracted specimen, bearing egg.
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Rattulus cylindricus Imhof. Left side of extended specimen (from Germany).
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Rattulus cylindricus Imhof. Left side of specimen from East Harbor, Lake Erie.
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Rattulus elongatus Gosse. Left side.
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Rattulus gracilis Tessin. Ventral view, trophi extended.
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Rattulus latus Jennings. Ventral view of extended specimen.
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Rattulus latus Jennings. Dorsal view of lorica.
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Rattulus longiseta Schrank. Right side view.
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Rattulus longiseta Schrank. Ventral view of young specimen, retracted.
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Rattulus lophoessus Gosse. Dorsal view.
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Rattulus macerus Gosse. Right side of young specimen, retracted.
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Rattulus macerus Gosse. Right side of adult specimen, extended... sp. = spur..
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Rattulus mucossus Stokes. Dorso-dextral view of lorica, to show ridges.
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Rattulus mucosus Stokes. Ventral view of lorica.
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Rattulus multicrinis Kellicott. Ventral view of extended specimen.
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Rattulus pusillus Lauterborn. Dorsal view.
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Rattulus rattus Muller. Dorsal view.
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Rattulus scipio Gosse. Ventro-dextral view of extended specimen.
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Rattulus scipio Gosse. Dorso-dextral view of extended specimen, young.
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Rattulus scipio Gosse. Dorsal view of retracted specimen.
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Rattulus tigris Muller. Side viedw of retracted animal.